affiliation not provided to SSRN, affiliation not provided to SSRN, Government of the People's Republic of China - China-Japan Friendship Hospital, affiliation not provided to SSRN, Government of the People's Republic of China - China-Japan Friendship Hospital, Government of the People's Republic of China - China-Japan Friendship Hospital, Government of the People's Republic of China - China-Japan Friendship Hospital, affiliation not provided to SSRN, Beijing University of Chemical Technology, Beijing University of Chemical Technology - College of Materials Science and Engineering and Government of the People's Republic of China - China-Japan Friendship Hospital