About the Authors

Valerio Pazienza

Contributed equally to this work with: Valerio Pazienza, Annamaria la Torre

Affiliation Gastroenterology, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Annamaria la Torre

Contributed equally to this work with: Valerio Pazienza, Annamaria la Torre

Affiliation Laboratory of Oncology, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Filomena Baorda

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Michela Alfarano

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Massimiliano Chetta

Affiliation Department of Molecular Biology, Molecular Stamping (Fondazione Bruno Kessler), Povo (TN), Italy

Lucia Anna Muscarella

Affiliation Laboratory of Oncology, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Claudia Battista

Affiliation Endocrinology, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Massimiliano Copetti

Affiliation Unit of Biostatistics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Dieter Kotzot

Affiliation Division of Human Genetics, Department of Medical Genetics, Molecular and Clinical Pharmacology, Innsbruck Medical University, Innsbruck, Austria

Klaus Kapelari

Affiliation Clinical Department of Pediatrics, Innsbruck Medical University, Innsbruck, Austria

Dalia Al-Abdulrazzaq

Current address: Department of Pediatrics, Faculty of Medicine, Kuwait University, Kuwait

Affiliation Division of Endocrinology, The Hospital for Sick Children, Toronto, Ontario, Canada

Kusiel Perlman

Affiliation Division of Endocrinology, The Hospital for Sick Children, Toronto, Ontario, Canada

Etienne Sochett

Affiliation Division of Endocrinology, The Hospital for Sick Children, Toronto, Ontario, Canada

David E. C. Cole

Affiliation Departments of Laboratory Medicine and Pathobiology, Medicine and Genetics, University of Toronto, Ontario, Canada

Fabio Pellegrini

Affiliation Laboratory of Clinical Epidemiology of Diabetes and Chronic Diseases, Consorzio Mario Negri Sud, Santa Maria Imbaro (CH), Italy

Lucie Canaff

Affiliation Calcium Research Laboratory and Hormones and Cancer Research Unit, Royal Victoria Hospital, Montreal, Quebec, Canada

Geoffrey N. Hendy

Affiliation Calcium Research Laboratory and Hormones and Cancer Research Unit, Royal Victoria Hospital, Montreal, Quebec, Canada

Leonardo D’Agruma

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Leopoldo Zelante

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Massimo Carella

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Alfredo Scillitani

Affiliation Endocrinology, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Vito Guarnieri

v.guarnieri@operapadrepio.it

Affiliation Medical Genetics, IRCCS “Casa Sollievo della Sofferenza”, San Giovanni Rotondo (FG), Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VP AlT LAM VG. Performed the experiments: VP AlT FB MA VG. Analyzed the data: VP AlT M. Chetta LAM LC LDA M. Carella. Contributed reagents/materials/analysis tools: M. Chetta M. Copetti FP. Wrote the manuscript: VP AS VG. Acquisition of clinical data: CB DK KK DAA KP ES LZ AS. Revising the article critically for important intellectual content: DECC GNH AS VG.