| article html file updated | 9 February 2020 13:00 CET | Update | https://www.mdpi.com/2073-4360/10/4/415 |
| article html file updated | 2 October 2019 09:52 CEST | Update | - |
| article html file updated | 1 May 2019 05:06 CEST | Update | - |
| article html file updated | 17 April 2019 05:19 CEST | Update | - |
| article html file updated | 29 March 2019 13:48 CET | Update | - |
| article html file updated | 1 May 2018 14:02 CEST | Update | - |
| article html file updated | 9 April 2018 09:26 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 09:24 CEST | Update | https://www.mdpi.com/2073-4360/10/4/415/xml |
| article pdf uploaded. | 9 April 2018 09:24 CEST | Version of Record | https://www.mdpi.com/2073-4360/10/4/415/pdf |
