| article html file updated | 7 February 2020 21:00 CET | Update | https://www.mdpi.com/2072-4292/9/1/49 |
| article html file updated | 22 September 2019 19:07 CEST | Update | - |
| article html file updated | 4 May 2019 16:20 CEST | Update | - |
| article html file updated | 8 February 2017 10:27 CET | Update | - |
| article html file updated | 9 January 2017 13:32 CET | Update | - |
| article xml uploaded. | 9 January 2017 13:30 CET | Update | https://www.mdpi.com/2072-4292/9/1/49/xml |
| article pdf uploaded. | 9 January 2017 13:27 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/1/49/pdf |
| article html file updated | 7 January 2017 11:29 CET | Original file | - |
| article pdf uploaded. | 7 January 2017 11:28 CET | Version of Record | https://www.mdpi.com/2072-4292/9/1/49/pdf-vor |
