| article html file updated | 8 February 2020 09:28 CET | Update | https://www.mdpi.com/2071-1050/9/7/1138 |
| article html file updated | 25 September 2019 14:40 CEST | Update | - |
| article html file updated | 3 May 2019 15:14 CEST | Update | - |
| article html file updated | 31 July 2017 09:41 CEST | Update | - |
| article html file updated | 29 June 2017 12:21 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 12:09 CEST | Original file | https://www.mdpi.com/2071-1050/9/7/1138/xml |
| article pdf uploaded. | 29 June 2017 12:09 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/7/1138/pdf |
| article pdf uploaded. | 28 June 2017 15:09 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1138/pdf-vor |
