| article html file updated | 8 February 2020 08:56 CET | Update | https://www.mdpi.com/2071-1050/9/7/1091 |
| article html file updated | 25 September 2019 11:48 CEST | Update | - |
| article html file updated | 3 May 2019 16:14 CEST | Update | - |
| article html file updated | 31 July 2017 09:36 CEST | Update | - |
| article html file updated | 23 June 2017 10:10 CEST | Original file | - |
| article xml uploaded. | 23 June 2017 09:55 CEST | Update | https://www.mdpi.com/2071-1050/9/7/1091/xml |
| article pdf uploaded. | 23 June 2017 09:55 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/7/1091/pdf |
| article pdf uploaded. | 23 June 2017 09:34 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/7/1091/pdf-vor |
| article pdf uploaded. | 22 June 2017 10:50 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1091/pdf-vor |
