| article html file updated | 5 February 2020 19:34 CET | Update | https://www.mdpi.com/2073-8994/4/1/208 |
| article html file updated | 19 September 2019 08:41 CEST | Update | N/A |
| article html file updated | 8 May 2019 20:03 CEST | Update | N/A |
| article html file updated | 25 March 2019 09:36 CET | Update | N/A |
| article html file updated | 3 January 2019 09:51 CET | Original file | N/A |
| article xml uploaded. | 3 January 2019 09:49 CET | Original file | https://www.mdpi.com/2073-8994/4/1/208/xml |
