I applied through university. The process took 4 weeks. I interviewed at Comenius University (Bratislava)
Interview
It took place at our department (I was already studying at this department for my BSc and MSc degree). Questions about former and future publications, conferencies. Part of the interview was also in English.
Interview questions [1]
Question 1
I was asked questions about my future research. How do I want to perform it, what methods I want to use.