Directory of Specialists All countries Algeria Australia Austria Belgium Bosnia and Herzegovina Brazil Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Georgia, Republic of Germany Greece Guatemala Hungary Iceland India Ireland Israel Italy Japan Jordan Latvia Lebanon Lithuania Luxembourg Malaysia Netherlands Norway Pakistan Poland Portugal Romania Russia Saudi Arabia Serbia Singapore Slovak Republic Slovenia Spain Sweden Switzerland Tunisia Turkey Ukraine United Arab Emirates United Kingdom United States United States « Previous12345Dr. Zarifis, EHS ®, JohnGreecezarifis.john@gmail.comProf. Zebekakis, EHS ®, PantelisGreecepzempeka@auth.gr« Previous12345