N. Hounnaklang, E. Kochagarn, C. Tangusaha, B. Theppitaksak, P. Srisookho, and N. Dusitsin, “Hotline Service on Sexuality Issues at Call Centre for Life Quality Enhancement, Chulalongkorn University”, J Health Res, vol. 19, no. 2, pp. 145–156, Apr. 2019.