California South University, California, USA

Mental Health Research Center, Moscow, Russia

The University of Burdwan, West Bengal, India

University of Buenos Aires, Buenos Aires, Argentina

Central Michigan University, Michigan, USA

Athens University, Athens, Greece

University Hospital of Sagua la Grande, Cuba

University of Aden, Aden,Yemen

University of Oviedo, Oviedo, Spain

Medical Radiological Research Center, Russia