1. BioCruces Health Research Institute; Barakaldo Spain
2. Department of Haematology; Cruces University Hospital; Barakaldo Spain
3. Department of Genetics, Physical Anthropology and Animal Physiology; Faculty of Medicine and Odontology; University of the Basque Country (UPV/EHU); Bilbao Spain
4. Molecular Genetics Laboratory; Genetics Service; Cruces University Hospital; Barakaldo Spain
5. Serviço de Hematologia Clínica; Centro Hospitalar e Universitário de Coimbra; Coimbra Portugal
6. Research Centre for Anthropology and Health (CIAS); Department of Life Sciences; University of Coimbra; Coimbra Portugal