Pyoderma Gangrenosum

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Medical Dermatology Specialists Phoenix — Phoenix, Arizona, United States
• University of California Irvine — Irvine, California, United States
• University of Miami — Miami, Florida, United States

• Ohio State Dermatology — Columbus, Ohio, United States
• Oregon Health and Science University — Portland, Oregon, United States

• US Wound Registry — The Woodlands, Texas, United States

Not specified

• Shandong First Medical University Affiliated Dermatology Hospital — Jinan, Shandong, China

• Dermatology Hospital Affiliated to Shandong First Medical University — Jinan, Shandong, China

• NHO Nagoya Medical Center /ID# 246013 — Nagoya, Aichi-ken, Japan
• Nagoya City University Hospital /ID# 233778 — Nagoya, Aichi-ken, Japan
• Akita University Hospital /ID# 242706 — Akita, Japan
• Kyushu University Hospital /ID# 247492 — Fukuoka, Japan

• XBiotech Investigative Site — Tallahassee, Florida, United States

• Oregon Health and Science University — Portland, Oregon, United States

• The Ohio State University Dermatology — Gahanna, Ohio, United States