1. Department of Anesthesiology; Corporació Sanitarìa Parc Taulí; Sabadell Spain
2. Department of Internal Medicine; Hospital Sant Joan Despí Moisés Broggi-Consorci Sanitari Integral; Barcelona Spain
3. Department of Internal Medicine; University Hospital Virgen de la Victoria; Málaga Spain
4. Department of General Surgery; Hospital Sant Joan Despí Moisés Broggi-Consorci Sanitari Integral; Barcelona Spain
5. Department of Hematology and Hemotherapy; Corporació Sanitarìa Parc Taulí; Sabadell Spain
6. Department of Pharmacology, Therapeutics and Toxicology; Autonomous University of Barcelona; Sabadell Spain
7. Perioperative Transfusion Medicine, Department of Surgical Specialties, Biochemistry and Immunology, School of Medicine; University of Málaga; Málaga Spain