Complex sentence: In 1309, the curriculum was changed to six years of study and eight months of outside medical practice for those without a masters of arts, whereas those a masters of arts were only subjected to five years of study with eight months of outside medical practice.
Split into simpler sentences: In 1309, the curriculum was changed to six years of study and eight months of outside medical practice for those without a masters of arts. Students with a masters of arts were only subjected to five years of study with the same amount of outside medical practice.