1 Yonsei E1 Plastic Surgery Clinic, Anyang, South Korea.
2 Samsung Feel Clinic, Seoul, South Korea.
3 Samskin Plastic Surgery Clinic, Seoul, South Korea.
4 Dr Youth Clinic, Seoul, South Korea.
5 Department of Plastic and Reconstructive Surgery, Cheil General Hospital and Women's healthcare center, Dankook University, College of Medicine, South Korea. Electronic address: enyang7@gmail.com.