Skin Wrinkling

• Total Skin and Beauty Dermatology Center, PC — Birmingham, Alabama, United States
• Skin Care & Laser Physicians of Beverly Hills — Los Angeles, California, United States
• FacesPlus Aesthetic Facility — San Diego, California, United States
• Therapeutics Research — San Diego, California, United States

• Beijing Hospital — Beijing, Dong Cheng District, China
• SUN YAT-SEN Memorial Hospital, SUN YAT-SEN University — Guangzhou, Guangdong, China
• Guangdong Second Provincial General Hospital — Guangzhou, Guangdong, China
• Air Force Medical Center, PLA — Beijing, Haidian District, China

• Riverchase Dermatology — Miami, Florida, United States

• Brazilian Center for Studies in Dermatology — Porto Alegre, Rio Grande do Sul, Brazil

• Integrated Research Institute for Natural Ingredients and Functional Foods — Yangsan, South Korea

• IUF Leibniz-Institut für umweltmedizinische Forschung gGmbH — Düsseldorf, Germany

Not specified

• University of Michigan Department of Dermatology — Ann Arbor, Michigan, United States

Not specified

Not specified