Märta Sund Levander, RN, Ph.D., Assoc. Professor, senior researcher and lecturer at the Medical Faculty Linköping University, Sweden. She teaches nursing students at the undergraduate, specialist, and advanced levels. She has several years of clinical and research experience as a specialized nurse, especially in critical care, eldercare, infection control, and research and development. Her research area is assessment and evaluation of body temperature and its clinical implications, such as signs and symptoms of infection in critically ill, frail elderly and children. She has published about 45 papers in scientific journals and popular science papers and textbooks for health professional students and clinical practice. She is a member in the international expert group ISO ISO/TC 121/SC 3/JWG 8 "Clinical thermometers".