| article html file updated | 9 February 2020 13:36 CET | Update | https://www.mdpi.com/2075-163X/8/4/157 |
| article html file updated | 2 October 2019 13:38 CEST | Update | - |
| article html file updated | 1 May 2019 03:55 CEST | Update | - |
| article html file updated | 17 April 2019 04:16 CEST | Update | - |
| article html file updated | 29 March 2019 15:11 CET | Update | - |
| article html file updated | 1 May 2018 13:30 CEST | Update | - |
| article html file updated | 12 April 2018 16:53 CEST | Original file | - |
| article xml uploaded. | 12 April 2018 16:51 CEST | Update | https://www.mdpi.com/2075-163X/8/4/157/xml |
| article pdf uploaded. | 12 April 2018 16:51 CEST | Version of Record | https://www.mdpi.com/2075-163X/8/4/157/pdf |
