| article html file updated | 8 February 2020 21:52 CET | Update | https://www.mdpi.com/2071-1050/9/11/2154 |
| article html file updated | 28 September 2019 15:56 CEST | Update | - |
| article html file updated | 2 May 2019 13:27 CEST | Update | - |
| article html file updated | 18 April 2019 11:07 CEST | Update | - |
| article html file updated | 30 November 2017 13:36 CET | Update | - |
| article html file updated | 24 November 2017 09:19 CET | Original file | - |
| article xml uploaded. | 24 November 2017 09:18 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2154/xml |
| article pdf uploaded. | 24 November 2017 09:18 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/11/2154/pdf |
| article pdf uploaded. | 22 November 2017 11:28 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2154/pdf-vor |
