Field research protocol
Field research was conducted according to the ethical propositions and using the methodology of contemporary anthropological research of population structure
– Blood sample collection
Adult who are willing to participate in the research are included, after signing the informed consent; if it was about illiterate persons they gave informed consent in the presence of family members and / or Roma activists.
Particular attention was focused on timely and appropriate population reporting on the goals and expected results of the research so that each individual could independently make a decision to participate in the research.