| article html file updated | 8 February 2020 21:16 CET | Update | https://www.mdpi.com/2073-4360/9/11/616 |
| article html file updated | 28 September 2019 11:59 CEST | Update | - |
| article html file updated | 2 May 2019 14:50 CEST | Update | - |
| article html file updated | 18 April 2019 12:29 CEST | Update | - |
| article html file updated | 30 November 2017 11:59 CET | Update | - |
| article html file updated | 15 November 2017 11:58 CET | Original file | - |
| article xml uploaded. | 15 November 2017 11:56 CET | Original file | https://www.mdpi.com/2073-4360/9/11/616/xml |
| article pdf uploaded. | 15 November 2017 11:56 CET | Version of Record | https://www.mdpi.com/2073-4360/9/11/616/pdf |
