| article html file updated | 8 February 2020 19:42 CET | Update | https://www.mdpi.com/2073-4360/9/11/561 |
| article html file updated | 28 September 2019 01:50 CEST | Update | - |
| article html file updated | 2 May 2019 18:24 CEST | Update | - |
| article html file updated | 30 November 2017 11:42 CET | Update | - |
| article html file updated | 28 October 2017 08:59 CEST | Original file | - |
| article xml uploaded. | 28 October 2017 08:57 CEST | Update | https://www.mdpi.com/2073-4360/9/11/561/xml |
| article xml uploaded. | 28 October 2017 08:57 CEST | Original file | - |
| article pdf uploaded. | 28 October 2017 08:57 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/11/561/pdf |
