| article html file updated | 8 February 2020 19:12 CET | Update | https://www.mdpi.com/2073-4360/9/10/539 |
| article html file updated | 27 September 2019 22:45 CEST | Update | - |
| article html file updated | 2 May 2019 19:35 CEST | Update | - |
| article html file updated | 1 November 2017 02:48 CET | Update | - |
| article html file updated | 23 October 2017 12:09 CEST | Original file | - |
| article xml uploaded. | 23 October 2017 12:08 CEST | Update | https://www.mdpi.com/2073-4360/9/10/539/xml |
| article xml uploaded. | 23 October 2017 12:08 CEST | Original file | - |
| article pdf uploaded. | 23 October 2017 12:08 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/10/539/pdf |
