Commercial affiliationalso update COI Affiliation insert commercial affiliation was erroneously omitted for author insert author name(s). The conflict of interest statement has been correct to insert correct COI. The original version of this article has been updated.Adding: Affiliation National Changhua University of Education, Changhua, Taiwan was omitted for author Chun-Yuan Lin. This affiliation has now been added for author Chun-Yuan Lin. The conflict of interest statement has been correct to The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.. The original version of this article has been updated.Author insert author name was omitted as an author in the published article. The order of authors in the author list of the published paper was erroneously given as: The copyright for this article was incorrectly written as insert incorrect copyright statement. The correct statement is "Copyright ©Insert year Insert corresponding statement for institution. This is an openaccess article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.". The original version of this article has been updated. Reminder: Figures, tables, and images will be published under a Creative Commons CC-BY license and permission must be obtained for use of copyrighted material from other sources (including re-published/adapted/modified/partial figures and images from the internet). It is the responsibility of the authors to acquire the licenses, to follow any citation instructions requested by third-party rights holders, and cover any supplementary charges.
Tsai et al. (Wed,) studied this question.