| article html file updated | 5 February 2020 13:45 CET | Update | https://www.mdpi.com/2073-8994/2/1/230 |
| article html file updated | 18 September 2019 21:24 CEST | Update | - |
| article html file updated | 9 May 2019 07:57 CEST | Update | - |
| article html file updated | 19 March 2019 22:38 CET | Update | - |
| article html file updated | 4 January 2019 02:50 CET | Original file | - |
| article xml uploaded. | 3 January 2019 10:51 CET | Original file | https://www.mdpi.com/2073-8994/2/1/230/xml |
