1 Institute of Endocrine and Metabolic Sciences, San Raffaele Vita Salute University, Milano, Italy. giustina.andrea@hsr.it.
2 IRCCS San Raffaele Hospital, Milano, Italy. giustina.andrea@hsr.it.
3 Bone and Mineral Metabolism Research Unit, at Escola Paulista de Medicina, Universidade Federal de Sao Paulo, Sao Paulo, Brazil. marise.lazaretti@imabrasil.com.br.
4 Blizard Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK. a.martineau@qmul.ac.uk.
5 School of Life and Environmental Sciences and Charles Perkins Centre, University of Sydney, Sydney, New South Wales, Australia. rebecca.mason@sydney.edu.au.
6 Maine Health Institute for Research, Scarborough, ME, USA. cjrofen@gmail.com.
7 University of East Anglia, Medical school, Norwich, UK. i.schoenmakers@uea.ac.uk.