Proposal : Update Manga GetBackers published date

Proposal details

This proposal will make the following change(s):

Update the published date of the manga GetBackers

Change the published date from :
Start Date :
Day : Unknown
Month : Unknown
Year : Unknown
-
End Date :
Day : Unknown
Month : Unknown
Year : Unknown

to

Start Date :
Day : 24
Month : 3
Year : 1999
-
End Date :
Day : 21
Month : 2
Year : 2007

Based on the following reason: missing information

With the source: https://myanimelist.net/manga/19/GetBackers