María del Mar Pozo-Balado a, 1
These authors contributed equally to this work.
, Ángel Bulnes-Ramos a, 1
These authors contributed equally to this work.
, Vanesa Garrido-Rodríguez a, Israel Olivas-Martínez a, Carmen Lozano b, María Francisca González-Escribano a, c, Manuel Leal d, e, Yolanda M Pacheco a, ⁎ 
a Clinic Unit of Clinic Laboratories, Immunology Laboratory, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital (HUVR)/CSIC/University of Seville, Ave. Manuel Siurot s/n, 41013, Seville, Spain
b Microbiology Service, Virgen del Rocío University Hospital (HUVR), Seville, Spain
c Immunology Service, Virgen del Rocío University Hospital (HUVR), Seville, Spain
d Immunovirology Unit, Internal Medicine Service, Viamed Hospital, Santa Ángela de la Cruz, Seville, Spain
e Hogar Residencia de la Santa Caridad, Seville, Spain