Hastings, Rosalind J
Bown, Nick
Tibiletti, Maria G
Debiec-Rychter, Maria
Vanni, Roberta
Espinet, Blanca
van Roy, Nadine
Roberts, Paul
van den Berg-de-Ruiter, Eva
Bernheim, Alain
Schoumans, Jacqueline
Chatters, Steve
Zemanova, Zuzana
Stevens-Kroef, Marian
Simons, Annet
Heim, Sverre
Salido, Marta
Ylstra, Bauke
Betts, David R
Article History
Received: 6 June 2014
Revised: 19 January 2015
Accepted: 3 February 2015
First Online: 25 March 2015
Competing interests
: The authors declare no conflict of interest.