[1] King Saud Univ, Prince Mutaib Chair Biomarkers Osteoporosis, Riyadh, Saudi Arabia
[2] King Saud Univ Hlth Sci, Coll Med, Riyadh, Saudi Arabia
[3] King Saud Univ, Biomarkers Res Program, Riyadh, Saudi Arabia
[4] King Saud Univ, Ctr Excellence Biotechnol Res, Riyadh, Saudi Arabia
[5] King Saud Univ, Coll Appl Med Sci, Riyadh, Saudi Arabia
[6] Univ Athens, Dept Pediat 1, Athens, Greece