I plan to e-submit my PharmCas application sometime this week to a school or two and I also plan to include the information for my Physics professor who will write me a letter. (she has not written the letter yet. So far I only have her e-mail address and phone number for PharmCas to contact.) Now if my professor will wait, until let's say, September to actually write and submit the letter will it be an issue since I am e-submitting right now? Also will it be possible to be granted an interview before one of the letters has yet to be submitted to Pharmcas?