1. Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
2. Unité des Rickettsies, URMITE UMR CNRS 7278 IRD 198 INSERM U1095, Facultés de Médecine et de Pharmacie, IHU Méditerranée Infection, Aix-Marseille Université, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
3. Department of Medical Laboratory Technology, Special Infectious Agents Unit, King Fahd Medical Research Center, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia