| article html file updated | 9 February 2020 11:52 CET | Update | https://www.mdpi.com/2077-0472/8/4/49 |
| article html file updated | 2 October 2019 03:05 CEST | Update | - |
| article html file updated | 1 May 2019 07:24 CEST | Update | - |
| article html file updated | 17 April 2019 07:24 CEST | Update | - |
| article html file updated | 29 March 2019 11:14 CET | Update | - |
| article html file updated | 1 May 2018 10:32 CEST | Update | - |
| article html file updated | 30 March 2018 06:48 CEST | Original file | - |
| article xml uploaded. | 30 March 2018 06:47 CEST | Update | https://www.mdpi.com/2077-0472/8/4/49/xml |
| article pdf uploaded. | 30 March 2018 06:47 CEST | Version of Record | https://www.mdpi.com/2077-0472/8/4/49/pdf |
