| article html file updated | 11 February 2020 16:50 CET | Update | https://www.mdpi.com/2077-1312/7/2/49 |
| article html file updated | 15 October 2019 04:38 CEST | Update | - |
| article html file updated | 26 April 2019 15:07 CEST | Update | - |
| article html file updated | 12 April 2019 10:48 CEST | Update | - |
| article html file updated | 3 April 2019 22:34 CEST | Update | - |
| article html file updated | 4 March 2019 13:33 CET | Update | - |
| article html file updated | 1 March 2019 04:22 CET | Update | - |
| article html file updated | 18 February 2019 11:45 CET | Original file | - |
| article pdf uploaded. | 18 February 2019 11:41 CET | Version of Record | https://www.mdpi.com/2077-1312/7/2/49/pdf |
| article xml uploaded. | 18 February 2019 11:41 CET | Update | https://www.mdpi.com/2077-1312/7/2/49/xml |
| article xml file uploaded | 18 February 2019 11:41 CET | Original file | - |
