| article html file updated | 8 February 2020 18:08 CET | Update | https://www.mdpi.com/2073-4360/9/10/500 |
| article html file updated | 27 September 2019 16:10 CEST | Update | - |
| article html file updated | 2 May 2019 22:00 CEST | Update | - |
| article html file updated | 1 November 2017 02:40 CET | Update | - |
| article html file updated | 11 October 2017 12:38 CEST | Original file | - |
| article xml uploaded. | 11 October 2017 12:36 CEST | Original file | https://www.mdpi.com/2073-4360/9/10/500/xml |
| article pdf uploaded. | 11 October 2017 12:36 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/10/500/pdf |
