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Abstract (1360) | Core Tip (1403) | Full Article (HTML) (10923) | Figures (1-1) (601) | Tables (1-1) (452) | Full Article (PDF)-1231K (1175) | Peer-Review Report-155K (278) | Answering Reviewers-238K (384) | Received: 05/26/2015 | Revised: 07/08/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (23) | Total Visits (21524) | Similar Articles (100) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1392) | Core Tip (1331) | Full Article (HTML) (7587) | Figures (1-1) (548) | Full Article (PDF)-1231K (707) | Peer-Review Report-88K (336) | Answering Reviewers-67K (282) | Received: 04/13/2015 | Revised: 06/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (45) | Total Visits (18317) | Similar Articles (35) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1465) | Core Tip (1398) | Full Article (HTML) (5337) | Full Article (PDF)-1201K (748) | Peer-Review Report-79K (303) | Answering Reviewers-209K (282) | Received: 05/09/2015 | Revised: 07/27/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (19) | Total Visits (15031) | Similar Articles (89) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1346) | Core Tip (1315) | Full Article (HTML) (7161) | Tables (1-2) (504) | Full Article (PDF)-1112K (743) | Peer-Review Report-81K (246) | Answering Reviewers-63K (360) | Received: 04/28/2015 | Revised: 06/18/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (30) | Total Visits (16375) | Similar Articles (184) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1426) | Core Tip (1397) | Full Article (HTML) (5453) | Tables (1-4) (545) | Full Article (PDF)-1201K (742) | Peer-Review Report-80K (237) | Answering Reviewers-92K (313) | Received: 04/15/2015 | Revised: 06/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (36) | Total Visits (16845) | Similar Articles (25) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1490) | Core Tip (1435) | Full Article (HTML) (6267) | Figures (1-1) (551) | Full Article (PDF)-1205K (788) | Peer-Review Report-79K (293) | Answering Reviewers-112K (271) | Received: 04/26/2015 | Revised: 07/29/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (26) | Total Visits (15781) | Similar Articles (166) | Timeline of Article Publication (1) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1734) | Core Tip (1471) | Full Article (HTML) (18738) | Figures (1-1) (494) | Tables (1-1) (425) | Full Article (PDF)-1536K (845) | Peer-Review Report-104K (281) | Answering Reviewers-212K (310) | Received: 04/28/2015 | Revised: 07/19/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (32) | Total Visits (29294) | Similar Articles (354) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1831) | Core Tip (1501) | Full Article (HTML) (7769) | Figures (1-2) (488) | Full Article (PDF)-1408K (997) | Peer-Review Report-81K (308) | Answering Reviewers-105K (468) | Received: 06/30/2015 | Revised: 08/03/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (19926) | Similar Articles (1761) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1520) | Core Tip (1341) | Full Article (HTML) (6559) | Figures (1-1) (488) | Tables (1-1) (400) | Full Article (PDF)-1208K (871) | Peer-Review Report-109K (314) | Answering Reviewers-11K (284) | Received: 06/03/2015 | Revised: 07/28/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (16635) | Similar Articles (64) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1253) | Core Tip (1254) | Full Article (HTML) (6874) | Tables (1-2) (436) | Full Article (PDF)-1257K (656) | Peer-Review Report-88K (380) | Answering Reviewers-63K (296) | Received: 04/28/2015 | Revised: 08/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (14) | Total Visits (17893) | Similar Articles (2314) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1435) | Core Tip (1311) | Full Article (HTML) (4515) | Tables (1-1) (490) | Full Article (PDF)-1087K (753) | Peer-Review Report-79K (257) | Answering Reviewers-210K (265) | Received: 04/18/2015 | Revised: 07/04/2015 | Accepted: 09/14/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (15) | Total Visits (13678) | Similar Articles (877) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1520) | Core Tip (1506) | Full Article (HTML) (4986) | Tables (1-3) (429) | Full Article (PDF)-1175K (748) | Peer-Review Report-111K (318) | Answering Reviewers-93K (468) | Received: 04/27/2015 | Revised: 08/22/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (8) | Total Visits (14924) | Similar Articles (0) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1399) | Core Tip (1346) | Full Article (HTML) (5058) | Tables (1-3) (434) | Full Article (PDF)-1244K (744) | Peer-Review Report-99K (260) | Answering Reviewers-103K (271) | Received: 06/29/2015 | Revised: 08/07/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (20) | Total Visits (15016) | Similar Articles (240) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1412) | Core Tip (1363) | Full Article (HTML) (7806) | Figures (1-2) (578) | Tables (1-3) (501) | Full Article (PDF)-1435K (793) | Peer-Review Report-144K (298) | Answering Reviewers-91K (353) | Received: 03/20/2015 | Revised: 04/28/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (27) | Total Visits (18148) | Similar Articles (50) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1690) | Core Tip (1614) | Full Article (HTML) (9590) | Figures (1-1) (458) | Tables (1-3) (479) | Full Article (PDF)-1377K (1872) | Peer-Review Report-81K (352) | Answering Reviewers-192K (468) | Received: 06/28/2015 | Revised: 08/17/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (53) | Total Visits (22080) | Similar Articles (41) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1293) | Core Tip (1372) | Full Article (HTML) (4299) | Tables (1-4) (460) | Full Article (PDF)-1160K (533) | Peer-Review Report-118K (246) | Answering Reviewers-450K (260) | Received: 07/23/2015 | Revised: 09/23/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (28) | Total Visits (13258) | Similar Articles (281) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1184) | Core Tip (1262) | Full Article (HTML) (7314) | Figures (1-1) (466) | Full Article (PDF)-1069K (768) | Peer-Review Report-92K (241) | Answering Reviewers-105K (332) | Received: 03/30/2015 | Revised: 05/30/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (31) | Total Visits (16733) | Similar Articles (4) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1392) | Core Tip (1564) | Full Article (HTML) (8507) | Figures (1-6) (554) | Tables (1-1) (434) | Full Article (PDF)-1824K (922) | Peer-Review Report-99K (309) | Answering Reviewers-185K (6397) | Received: 08/12/2015 | Revised: 09/18/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (7) | Total Visits (25163) | Similar Articles (1761) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1467) | Core Tip (1227) | Full Article (HTML) (7635) | Figures (1-3) (446) | Full Article (PDF)-1184K (955) | Peer-Review Report-91K (257) | Answering Reviewers-106K (338) | Received: 04/28/2015 | Revised: 07/27/2015 | Accepted: 09/30/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (86) | Total Visits (16731) | Similar Articles (1788) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

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Abstract (1239) | Core Tip (1167) | Full Article (HTML) (8046) | Tables (1-1) (398) | Full Article (PDF)-1093K (787) | Peer-Review Report-86K (223) | Answering Reviewers-106K (269) | Received: 04/28/2015 | Revised: 07/10/2015 | Accepted: 08/31/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (22) | Total Visits (16868) | Similar Articles (1) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open

Abstract (1291) | Core Tip (1250) | Full Article (HTML) (5100) | Figures (1-8) (510) | Tables (1-8) (493) | Full Article (PDF)-1292K (818) | Peer-Review Report-92K (269) | Answering Reviewers-36K (274) | Received: 04/27/2015 | Revised: 07/03/2015 | Accepted: 09/15/2015 | RCA | PubMed Central | PubMed | CrossRef | Google Scholar | Times Cited (54) | Total Visits (15050) | Similar Articles (2338) | Timeline of Article Publication (0) | Article Quality Tracking (0) | What about the content of this article? (0) | Cite |  (0) | Open