编辑以下文本，使其具有清晰的逻辑组织，并且没有语法或拼写错误


The teem of scientists, who wer from varyios parts of the world, decidd to jointly start the study. In the begining, they facd a lot of challanges, but with determinaiton and had work, they wer able to compite the studi on time.
The team of scientists from various parts of the world decided to jointly start a study. In the beginning, they faced numerous challenges, but with determination and hard work, they were able to complete the study on time.