1. How many reference letters are needed?
Answer: 2
2. Is it necessary the reference letters to be written by Academic Professors?
Answer: The reference letters can be written by Academic Professors, by researchers, and one of them by a professional supervised your work.
3. Where the reference letters should be send?
Answer: The reference letters should be send directly by the referees to the E-mail of the program: masterneuro[at]biol.uoa[dot]gr