| article html file updated | 9 February 2020 12:25 CET | Update | https://www.mdpi.com/2077-0472/8/4/53 |
| article html file updated | 2 October 2019 06:16 CEST | Update | - |
| article html file updated | 1 May 2019 06:19 CEST | Update | - |
| article html file updated | 17 April 2019 06:24 CEST | Update | - |
| article html file updated | 29 March 2019 12:28 CET | Update | - |
| article html file updated | 1 May 2018 10:33 CEST | Update | - |
| article html file updated | 3 April 2018 18:56 CEST | Original file | - |
| article xml uploaded. | 3 April 2018 18:55 CEST | Original file | https://www.mdpi.com/2077-0472/8/4/53/xml |
| article pdf uploaded. | 3 April 2018 18:55 CEST | Version of Record | https://www.mdpi.com/2077-0472/8/4/53/pdf |
