| article html file updated | 8 February 2020 21:22 CET | Update | https://www.mdpi.com/2071-1050/9/11/2106 |
| article html file updated | 28 September 2019 12:42 CEST | Update | - |
| article html file updated | 2 May 2019 14:36 CEST | Update | - |
| article html file updated | 18 April 2019 12:15 CEST | Update | - |
| article html file updated | 30 November 2017 13:16 CET | Update | - |
| article html file updated | 17 November 2017 20:18 CET | Original file | - |
| article xml uploaded. | 17 November 2017 20:17 CET | Update | https://www.mdpi.com/2071-1050/9/11/2106/xml |
| article xml uploaded. | 17 November 2017 20:17 CET | Update | - |
| article xml uploaded. | 17 November 2017 20:17 CET | Original file | - |
| article pdf uploaded. | 17 November 2017 20:17 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/11/2106/pdf |
| article pdf uploaded. | 16 November 2017 13:09 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2106/pdf-vor |
