| article html file updated | 9 February 2020 10:58 CET | Update | https://www.mdpi.com/2079-4991/8/4/188 |
| article html file updated | 1 October 2019 21:42 CEST | Update | - |
| article html file updated | 1 May 2019 09:20 CEST | Update | - |
| article html file updated | 17 April 2019 09:15 CEST | Update | - |
| article html file updated | 29 March 2019 09:06 CET | Update | - |
| article html file updated | 1 May 2018 12:02 CEST | Update | - |
| article html file updated | 23 March 2018 09:29 CET | Original file | - |
| article xml uploaded. | 23 March 2018 09:27 CET | Update | https://www.mdpi.com/2079-4991/8/4/188/xml |
| article pdf uploaded. | 23 March 2018 09:27 CET | Version of Record | https://www.mdpi.com/2079-4991/8/4/188/pdf |
