Contributors
MHB and YU are responsible for the study conception. MHB has directed
and coordinated the study. MHB, YU and OE designed the study. MHB, AZ,
NT, SL, DK, EBY, AMB, YAB, ES recruited participants into the study. SP
helped with sample handling and coordination. MHB and VF wrote the
manuscript, that was critically reviewed by YU, OE, AZ, NT, YAB, ES.