| article html file updated | 9 February 2020 11:00 CET | Update | https://www.mdpi.com/2073-8994/10/4/80 |
| article html file updated | 1 October 2019 21:55 CEST | Update | - |
| article html file updated | 1 May 2019 09:16 CEST | Update | - |
| article html file updated | 17 April 2019 09:11 CEST | Update | - |
| article html file updated | 29 March 2019 09:12 CET | Update | - |
| article html file updated | 1 May 2018 05:28 CEST | Update | - |
| article html file updated | 23 March 2018 17:33 CET | Original file | - |
| article xml uploaded. | 23 March 2018 17:31 CET | Original file | https://www.mdpi.com/2073-8994/10/4/80/xml |
| article pdf uploaded. | 23 March 2018 17:31 CET | Version of Record | https://www.mdpi.com/2073-8994/10/4/80/pdf |
