Panayiotis J Papagelopoulos1
, Andreas F Mavrogenis1
, Evanthia A Mitsiokapa2
, Kleo Th Papaparaskeva3
, Evanthia C Galanis4
and Panayotis N Soucacos1 
1
First Department of Orthopaedic Surgery, Athens University Medical School, Athens, Greece
2
Department of Physical Medicine and Rehabilitation, Thriassion Hospital, Elefsis, Greece
3
Department of Pathology, Hygeia Athens Medical Center, Athens, Greece
4
Department of Medical Oncology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota