온라인 조사는 사전협조 때 받은 이메일로 온라인 조사 링크 주소를 보내 실행하였으며 6월 20일부터 7월 18일까지 진행되었다.
The online survey was conducted by sending the link address of the online survey to the email received at the time of prior cooperation, and it was conducted from June 20 to July 18.