**About the Editors**

#### **Dimitrios T. Karayiannis**

Dimitrios T. Karayiannis earned his Bachelor's, Master's and Doctoral degrees in Clinical Nutrition from the Department of Nutrition and Dietetic at Harokopio University of Athens. He also received the European Society for Clinical Nutrition and Metabolism Diploma in Clinical Nutrition and Metabolism. Currently, he serves in the largest hospital in Greece (Evangelismos General Hospital, Athens) and has been there for the last 10 years as a Clinical Dietitian; he is also a member of the ICU, Internal Medicine, and Neurosurgery Nutrition Support Team. Having 16 years of experience in the field of Nutrition and Clinical Dietetics, Dimitrios has been involved in numerous trials and projects related to the effects of diet and malnutrition on parameters influencing survival, length of hospital stay and human fertility. He has experience in the field of Dietetics and Metabolism, and has worked in five different hospitals and community settings. Currently, he also serves as a Research Associate of the Department of Nutrition and Dietetic at Harokopio University. He worked closely with students from local internship programs and was responsible for graduate students' practice placements for almost 10 years. He participated for almost 12 years in the activities of the Hellenic Dietetic Association, as a member of the organizing committee of conferences, seminars and practice working groups. In 2012, he became a Member and Life Long Learning Teacher of the Hellenic Society of Medical Nutrition, a certified instructor of the European Society of Clinical Nutrition and Metabolism and a board Member of the Hellenic Society of Hospital Dietitians (2010-2014). He is a reviewer in the *Nutrients, Nutrition, Human Reproduction, Clinical Nutrition, Clinical Nutrition ESPEN, British Journal of Nutrition* among other nutrition and cancer journals, coeditor of 2 Nutrition text books, co-author of 11 text-book chapters and contributed to 17 peer-reviewed publications in international scientific journals.

#### **Zafeiria Mastora**

Zafeiria Mastora is a Physician specialized in Intensive Care Medicine at the University of Athens Medical School and served as Pulmonologist - Intensivist in the First Department of Critical Care Medicine and Pulmonary Services, Evangelismos General Hospital under the auspices of the National and Kapodistrian University of Athens. She has published more than 35 original scientific manuscripts and editorials, she has edited 12 books in the area of Critical Care Medicine and Nutrition.
