Tomoki Sempokuya, Guangxiang Zhang, Kazuma Nakagawa, Department of Internal Medicine, the Queen’s Medical Center, Honolulu, HI 968132, United States
Author contributions: Sempokuya T conception and designed the study, acquired data, drafted and edited this manuscript, Zhang G performed statistical analysis and interpretation of data, drafted and edited the manuscript and Nakagawa K supervised the study and edited the manuscript.
Institutional review board statement: This study utilized publicly-accessible, de-identified administrative level; aggregate data, rather than patient-specific data, approval from the institutional review board was not required to conduct the study.
Institutional animal care and use committee statement: No animal subjects were utilized in this study, so involvement was not needed.
Conflict-of-interest statement: All authors disclose no conflict of interest.
Data sharing statement: No additional data are available.
ARRIVE guidelines statement: The authors have carefully reviewed the ARRIVE guidelines, and the manuscript was prepared and edited in accordance to the ARRIVE guidelines.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Tomoki Sempokuya, MD, Doctor, Department of Internal Medicine, the Queen’s Medical Center, 1356 Lusitana Street, 7th Floor, 702, Honolulu, HI 96813, United States. tsempoku@hawaii.edu
Telephone: +1-808-5862910 Fax: +1-808-5867486
Received: October 12, 2018
Peer-review started: October 15, 2018
First decision: November 1, 2018
Revised: December 29, 2015
Accepted: January 9, 2019
Article in press: January 9, 2019
Published online: January 27, 2019
