| article html file updated | 7 February 2020 15:07 CET | Update | https://www.mdpi.com/2072-4292/8/9/764 |
| article html file updated | 5 May 2019 03:52 CEST | Update | - |
| article html file updated | 29 September 2016 09:32 CEST | Update | - |
| article html file updated | 20 September 2016 11:02 CEST | Original file | - |
| article xml uploaded. | 20 September 2016 11:01 CEST | Original file | https://www.mdpi.com/2072-4292/8/9/764/xml |
| article pdf uploaded. | 20 September 2016 11:01 CEST | Updated version of record | https://www.mdpi.com/2072-4292/8/9/764/pdf |
| article pdf uploaded. | 17 September 2016 09:51 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/9/764/pdf-vor |
