From the Rheumatology Division (Omair), Pulmonary Division (AlHamad, Paramasivam) Department of Medicine, from the Department of Zoology (AlQahtani, Daghestani), College of Medicine, from the Department of Statistics and Operations Research, College of Sciences (Tashkandy), Central Laboratory (Othman), King Saud University; from the Rheumatology Division, Department of Medicine (AlShahrani), Diriyah General Hospital, Ministry of Health; from the Department of Clinical Science, College of Medicine (AlEnzi), Princess Nourah bint Abdulrahman University, Riyadh, Kingdom of Saudi Arabia; and from the Department of Clinical Sciences, College of Medicine (Halwani), Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.