| article html file updated | 9 February 2020 13:57 CET | Update | https://www.mdpi.com/2075-4701/8/4/273 |
| article html file updated | 2 October 2019 15:45 CEST | Update | - |
| article html file updated | 1 May 2019 03:13 CEST | Update | - |
| article html file updated | 17 April 2019 03:38 CEST | Update | - |
| article html file updated | 29 March 2019 15:59 CET | Update | - |
| article html file updated | 1 May 2018 08:08 CEST | Update | - |
| article html file updated | 1 May 2018 08:07 CEST | Update | - |
| article html file updated | 16 April 2018 12:02 CEST | Original file | - |
| article pdf uploaded. | 16 April 2018 12:00 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/273/pdf |
| article xml uploaded. | 16 April 2018 12:00 CEST | Update | https://www.mdpi.com/2075-4701/8/4/273/xml |
| article xml file uploaded | 16 April 2018 12:00 CEST | Original file | - |
