Council for Nutritional and Environmental Medicine, Mo i Rana, Norway, bjorklund@conem.org. Institute of Chronic Illnesses, Inc., Silver Spring, MD, USA; CONEM US Autism Research Group, Allen, TX, USA. Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile. Department of Pediatrics, Faculty of Medicine, Assiut University, Assiut, Egypt. Department of Community Health Nursing, Faculty of Nursing, Assiut University, Egypt. Institute of Chronic Illnesses, Inc., Silver Spring, MD, USA; CoMeD, Inc., Silver Spring, MD, USA. Department of Neurological and Movement Sciences, University of Verona, Verona, Italy. Department of Communication Sciences and Disorders, Texas Woman's University, Denton, Texas, USA. Faculty of Public Health, Inland Norway University of Applied Sciences, Elverum, Norway; Department of Research, Innlandet Hospital Trust, Brumunddal, Norway.