Vulvar Diseases

• Lingchuan Center for Disease Control and Prevention — Lingchuan, Guangxi, China
• Quanzhou Center for Disease Control and Prevention — Quanzhou, Guangxi, China
• Xing'an Center for Disease Control and Prevention — Xing’an, Guangxi, China
• Daming Center for Disease Control and Prevention — Daming, Hebei, China

• Istanbul University Med Fac Dept. of Obstet and Gynecol. Division of Gynecologic Oncology — Istanbul, Turkey (Türkiye)

Not specified

• Karolinska University Hospital — Stockholm, Stockholm County, Sweden
• Sahlgrenska University Hospital — Gothenburg, Sweden
• Linkopings University Hospital — Linköping, Sweden
• Skanes University Hospital Lund — Lund, Sweden

• Yunnan Center for Disease Prevention and Control — Kunming, Yunnan, China

• National Institutes of Health Clinical Center — Bethesda, Maryland, United States

• Alliance for Multispecialty Research - Mobile — Mobile, Alabama, United States
• Applied Research Center of Arkansas Inc. — Little Rock, Arkansas, United States
• Century Research Institute, Inc — Huntington Park, California, United States
• Matrix Clinical Research — Los Angeles, California, United States

• Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico — Milan, Italy

• Dr. Secret Private Clinic — Debrecen, HB, Hungary

• Institut de Cancérologie de Lorraine — Vandœuvre-lès-Nancy, France