| article html file updated | 8 February 2020 19:20 CET | Update | https://www.mdpi.com/2071-1050/9/10/1923 |
| article html file updated | 27 September 2019 23:34 CEST | Update | - |
| article html file updated | 2 May 2019 19:15 CEST | Update | - |
| article html file updated | 3 November 2017 04:26 CET | Update | - |
| article html file updated | 25 October 2017 11:47 CEST | Original file | - |
| article xml uploaded. | 25 October 2017 11:45 CEST | Original file | https://www.mdpi.com/2071-1050/9/10/1923/xml |
| article pdf uploaded. | 25 October 2017 11:45 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/10/1923/pdf |
| article pdf uploaded. | 24 October 2017 15:24 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1923/pdf-vor |
