| article html file updated | 9 February 2020 12:55 CET | Update | https://www.mdpi.com/2073-4441/10/4/441 |
| article html file updated | 2 October 2019 09:20 CEST | Update | - |
| article html file updated | 1 May 2019 05:17 CEST | Update | - |
| article html file updated | 17 April 2019 05:28 CEST | Update | - |
| article html file updated | 29 March 2019 13:36 CET | Update | - |
| article html file updated | 1 May 2018 06:20 CEST | Update | - |
| article html file updated | 8 April 2018 07:45 CEST | Original file | - |
| article xml uploaded. | 8 April 2018 07:43 CEST | Update | https://www.mdpi.com/2073-4441/10/4/441/xml |
| article pdf uploaded. | 8 April 2018 07:43 CEST | Version of Record | https://www.mdpi.com/2073-4441/10/4/441/pdf |
