Sung Bin Cho,1,* Yea-Jin Lee,2,* Sun Young Kang,3 Min Choi,3 Bora Kim,3 Jin-Chul Ahn2 1Yonsei Seran Dermatology and Laser Clinic, Seoul, Korea; 2Medical Laser Research Center, College of Medicine, Dankook University, Cheonan, Korea; 3R&D Center, Shenb Co., Ltd, Seoul, Korea*These authors contributed equally to this workCorrespondence: J

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