| article html file updated | 8 February 2020 19:14 CET | Update | https://www.mdpi.com/2073-4360/9/10/540 |
| article html file updated | 27 September 2019 22:56 CEST | Update | - |
| article html file updated | 2 May 2019 19:30 CEST | Update | - |
| article html file updated | 1 November 2017 02:48 CET | Update | - |
| article html file updated | 23 October 2017 15:29 CEST | Original file | - |
| article xml uploaded. | 23 October 2017 15:28 CEST | Original file | https://www.mdpi.com/2073-4360/9/10/540/xml |
| article pdf uploaded. | 23 October 2017 15:28 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/10/540/pdf |
