| article html file updated | 8 February 2020 20:48 CET | Update | https://www.mdpi.com/2071-1050/9/11/2057 |
| article html file updated | 28 September 2019 08:56 CEST | Update | - |
| article html file updated | 2 May 2019 15:53 CEST | Update | - |
| article html file updated | 30 November 2017 12:55 CET | Update | - |
| article html file updated | 9 November 2017 17:20 CET | Original file | - |
| article xml uploaded. | 9 November 2017 17:19 CET | Update | https://www.mdpi.com/2071-1050/9/11/2057/xml |
| article xml uploaded. | 9 November 2017 17:19 CET | Original file | - |
| article pdf uploaded. | 9 November 2017 17:19 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2057/pdf |
