| article html file updated | 9 February 2020 07:23 CET | Update | https://www.mdpi.com/2072-666X/9/2/90 |
| article html file updated | 30 September 2019 23:43 CEST | Update | - |
| article html file updated | 1 May 2019 16:50 CEST | Update | - |
| article html file updated | 17 April 2019 16:14 CEST | Update | - |
| article html file updated | 29 March 2019 00:55 CET | Update | - |
| article html file updated | 14 March 2018 09:41 CET | Update | - |
| article html file updated | 23 February 2018 13:56 CET | Original file | - |
| article xml uploaded. | 23 February 2018 13:55 CET | Update | https://www.mdpi.com/2072-666X/9/2/90/xml |
| article xml uploaded. | 23 February 2018 13:55 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 13:55 CET | Version of Record | https://www.mdpi.com/2072-666X/9/2/90/pdf |
