| article html file updated | 8 February 2020 22:05 CET | Update | https://www.mdpi.com/2071-1050/9/12/2164 |
| article html file updated | 28 September 2019 17:23 CEST | Update | - |
| article html file updated | 2 May 2019 12:59 CEST | Update | - |
| article html file updated | 18 April 2019 10:37 CEST | Update | - |
| article html file updated | 2 January 2018 17:15 CET | Update | - |
| article html file updated | 24 November 2017 08:43 CET | Update | - |
| article html file updated | 24 November 2017 08:43 CET | Original file | - |
| article xml uploaded. | 24 November 2017 08:42 CET | Update | https://www.mdpi.com/2071-1050/9/12/2164/xml |
| article pdf uploaded. | 24 November 2017 08:42 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2164/pdf |
| article xml uploaded. | 24 November 2017 08:41 CET | Original file | - |
| article pdf uploaded. | 24 November 2017 08:41 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2164/pdf-vor |
