I submitted in February, was notified at the end of March, and had my interview yesterday. The associate dean said this was the second session, which tracks with the LKSOM AdCom finishing up interviews for traditional MD admissions. I'd hazard a guess that they set aside at least one or two sessions for ACMS per month, but that may accelerate as interviewers free up. I've noticed that AdComs usually wait one month or so before giving IIs so take solace in the fact that they did not forget about you. Other than that, make sure you paid the $30 fee and got an email stating "Your application is now complete and has been placed Under Review." I received mine two days after paying the fee. As for the interview itself, the website does a good job describing the format. I hope that helped and that the cycle will provide for you.