VALIGA investigators – T. Rabelink; M.E.J. Reinders; J.M. Boria Grinyo

Oxford derivation and North American validation investigators – S. Florquin

Oxford derivation and North American validation investigators – T. Cook

VALIGA investigators – H.T. Cook

VALIGA investigators – H. Peters; U. Berg

Oxford derivation and North American validation investigators – J. Weening

Oxford derivation and North American validation investigators – J. Bruijn

VALIGA investigators – E. Moggia

VALIGA investigators – G. Martina; M. Mizerska-Wasiak

Department of Precision and Regenerative Medicine and Ionian Area (DiMePre-J) at Azienda Ospedaliero Universitaria Consorziale Policlinico di Bari

Piazza Giulio Cesare 11, 70124 Bari, Italy

University of Alabama at Birmingham, Research Laboratories

845 19th St S, Birmingham, AL 35294, USA