Funding
This study was partly supported by the Ministry of Land, Infrastructure, Transport and Tourism as part of the Model Project for Promotion of SWH and a JSPS KAKENHI [Grant Number JP17H06151; Principal Investigator, Prof. Toshiharu Ikaga]. Funding organizations had no role in the study design, data collection, management, analysis, or interpretation, nor in the preparation of the article or the decision to submit it for publication.