Compile Surgical Error Timelines

I have a set of surgical-error malpractice files that need to be turned into clear, chronological timelines. For every case, I only need the surgical-procedure component, with an emphasis on the exact start-to-finish duration of the operation... (Budget: $15 - $25 USD, Jobs: Data Analysis, Data Entry, Excel, Medical Research, Report Writing, Statistical Analysis, Time Management, Word)