BH4 Deficiency (Tetrahydrobiopterin Deficiency) Differential Diagnoses

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Anna V Blenda, PhD Clinical Associate Professor, Department of Biomedical Sciences, University of South Carolina School of Medicine, Greenville

Anna V Blenda, PhD is a member of the following medical societies: American Association for Cancer Research, American College of Medical Genetics and Genomics, American Society for Microbiology

Disclosure: Nothing to disclose.

Mary L Windle, PharmD Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Luis O Rohena, MD, PhD, FAAP, FACMG Deputy Chief, Department of Pediatrics, Chief, Medical Genetics, San Antonio Military Medical Center; Associate Professor of Pediatrics, Uniformed Services University of the Health Sciences, F Edward Hebert School of Medicine; Associate Professor of Pediatrics, University of Texas Health Science Center at San Antonio

Luis O Rohena, MD, PhD, FAAP, FACMG is a member of the following medical societies: American Academy of Pediatrics, American Chemical Society, American College of Medical Genetics and Genomics, American Society of Human Genetics

Disclosure: Nothing to disclose.

Erawati V Bawle, MD, FAAP, FACMG Retired Professor, Department of Pediatrics, Wayne State University School of Medicine

Erawati V Bawle, MD, FAAP, FACMG is a member of the following medical societies: American College of Medical Genetics and Genomics, American Society of Human Genetics

Disclosure: Nothing to disclose.

Noah S Scheinfeld, JD, MD, FAAD † Assistant Clinical Professor, Department of Dermatology, Weil Cornell Medical College; Consulting Staff, Department of Dermatology, St Luke's Roosevelt Hospital Center, Beth Israel Medical Center, New York Eye and Ear Infirmary; Assistant Attending Dermatologist, New York Presbyterian Hospital; Assistant Attending Dermatologist, Lenox Hill Hospital, North Shore-LIJ Health System; Private Practice

Noah S Scheinfeld, JD, MD, FAAD is a member of the following medical societies: American Academy of Dermatology

Disclosure: Nothing to disclose.

Elena L Jones, MD Clinical Assistant Professor of Dermatology, Columbia University College of Physicians and Surgeons; Clinic Chief, Department of Dermatology, St Luke's-Roosevelt Hospital Center

Disclosure: Nothing to disclose.

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