| article html file updated | 9 February 2020 12:14 CET | Update | https://www.mdpi.com/2075-163X/8/4/140 |
| article html file updated | 2 October 2019 05:15 CEST | Update | - |
| article html file updated | 1 May 2019 06:40 CEST | Update | - |
| article html file updated | 17 April 2019 06:43 CEST | Update | - |
| article html file updated | 29 March 2019 12:04 CET | Update | - |
| article html file updated | 1 May 2018 13:23 CEST | Update | - |
| article html file updated | 3 April 2018 13:11 CEST | Update | - |
| article html file updated | 2 April 2018 23:48 CEST | Original file | - |
| article xml uploaded. | 2 April 2018 12:14 CEST | Update | https://www.mdpi.com/2075-163X/8/4/140/xml |
| article pdf uploaded. | 2 April 2018 12:09 CEST | Version of Record | https://www.mdpi.com/2075-163X/8/4/140/pdf |
