有没有人有过我如下所列出的状态情况啊，还需要多久，那个changed to 550 到底是个什么东西。。。。希望能中啊！

2017-03-02        Manuscript Submission        Confirm Mail - Sent
2017-03-02        Manuscript Submission        Confirmed by author
2017-03-10        Preliminary Check        OK
2017-03-10        Sent to the Chief Editor       
2017-03-10        Manuscript ID Renamed        Confirm Mail - Sent
2017-03-10        Review Request        Sent to 4 reviewer(s)
2017-03-14        Review Request        Sent to 1 additional reviewer(s)
2017-03-18        Review Request        Sent to 1 additional reviewer(s)
2017-03-18               
2017-03-30        Review Result        Good / Major Change
2017-03-30               
2017-04-24        Review Request        Sent to 3 additional reviewer(s)
2017-04-24               
2017-05-26        Review Request        Sent to 1 additional reviewer(s)
2017-05-26               
2017-05-26        Review Request        Sent to 3 additional reviewer(s)
2017-05-26               
2017-07-03        Review Request        Sent to 2 additional reviewer(s)
2017-07-03               
2017-07-09        Review Result        Average / Major Change
2017-07-09               
2017-07-10        Review        Changed to 550
2017-07-10        Final Review        Revise Required
2017-07-15        Manuscript Resubmission        Complete
2017-07-15        Re-review        Required to Reviewer 1
2017-07-15        Re-review        Required to Reviewer 15
2017-07-15               
2017-07-15        Review Result        Good / Accept 返回小木虫查看更多