| article html file updated | 9 February 2020 07:55 CET | Update | https://www.mdpi.com/2077-0472/8/3/33 |
| article html file updated | 1 October 2019 02:41 CEST | Update | - |
| article html file updated | 1 May 2019 15:45 CEST | Update | - |
| article html file updated | 17 April 2019 15:15 CEST | Update | - |
| article html file updated | 29 March 2019 02:12 CET | Update | - |
| article html file updated | 26 March 2018 12:17 CEST | Update | - |
| article html file updated | 27 February 2018 18:00 CET | Original file | - |
| article xml uploaded. | 27 February 2018 17:58 CET | Update | https://www.mdpi.com/2077-0472/8/3/33/xml |
| article xml uploaded. | 27 February 2018 17:58 CET | Original file | - |
| article pdf uploaded. | 27 February 2018 17:58 CET | Version of Record | https://www.mdpi.com/2077-0472/8/3/33/pdf |
