Received: 27 October 2019
Accepted: 8 January 2020
First Online: 16 January 2020
Change Date: 6 February 2020
Change Type: Correction
Change Details: There are several places where the P-value and Odds ratio in Table 3 are incorrect: these are shown in the corrected Table 3 below.
Compliance with ethical standards
: Takeshi Tomoda, Hironari Kato, Kazuya Miyamoto, Akihiro Matsumi, Eijiro Ueta, Yuuki Fujii, Yousuke Saragai, Tatsuhiro Yamazaki, Daisuke Uchida, Kazuyuki Matsumoto, Shigeru Horiguchi, Koichiro Tsutsumi, and Hiroyuki Okada have no conflicts of interest or financial ties to disclose.