1. Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli “Federico II”, 80131 Napoli, Italy
2. Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, United States
3. Synactix Pharmaceuticals, Inc., Tucson, Arizona 85718, United States
4. Signalling and Structural Biology Laboratory, The Francis Crick Institute, London NW1 1AT, U.K.
5. Institute of Structural and Molecular Biology, Department of Biological Sciences, Birkbeck College, London WC1E 7HX, U.K.
6. Istituto di Endocrinologia ed Oncologia Sperimentale del CNR, 80131 Napoli, Italy