1. Department of Dermatology, Seoul St. Mary’s Hospital, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
2. Gatmaitan Medical and Skin Center, Baliuag 3006, Bulacan, Philippines
3. Skines Aesthetic and Laser Center, Quezon City 1104, Metro Manila, Philippines