| article html file updated | 5 February 2020 14:00 CET | Update | https://www.mdpi.com/2072-4292/2/4/908 |
| article html file updated | 9 May 2019 07:28 CEST | Update | - |
| article html file updated | 19 March 2019 23:13 CET | Update | - |
| article html file updated | 18 July 2017 10:49 CEST | Update | - |
| article html file updated | 18 July 2017 10:49 CEST | Update | - |
| article html file updated | 18 July 2017 10:48 CEST | Original file | - |
| article xml uploaded. | 18 July 2017 10:46 CEST | Original file | https://www.mdpi.com/2072-4292/2/4/908/xml |
