Original citation: J. Clin. Invest. 2013;123(8):3624–3633. doi:10.1172/JCI69746.
Citation for this addendum: J. Clin. Invest. 2013;123(11):4981. doi:10.1172/JCI73496.
Since the publication of the article, the authors have learned that a prior publication reported on patient 5 in an independent research study. Following standard procedures to maintain confidentiality, the authors were unaware that the patient was a participant in a separate study at the time the article was prepared; they became aware when they were contacted by the authors of the prior publication. In the interest of providing more complete information regarding reported subjects, they wish to add a note of this report in Methods. The correct additional sentence is below.
Patient 5 was evaluated for this study at the University of Pennsylvania Orthopaedic Surgery Outpatient Clinic; this individual was also previously described as patient 1 in a prior publication (51).
51. Lebrun M, et al. Progressive osseous heteroplasia: a model for the imprinting effects of GNAS inactivating mutations in humans. J Clin Endocrinol Metab. 2010;95(6):3028–3038.
The authors anticipate that this information will provide a more complete view of the patient and disease to the scientific and medical community.