| article html file updated | 8 February 2020 09:24 CET | Update | https://www.mdpi.com/2071-1050/9/7/1121 |
| article html file updated | 25 September 2019 14:22 CEST | Update | - |
| article html file updated | 3 May 2019 15:21 CEST | Update | - |
| article html file updated | 31 July 2017 09:39 CEST | Update | - |
| article html file updated | 28 June 2017 11:16 CEST | Update | - |
| article html file updated | 28 June 2017 04:49 CEST | Original file | - |
| article xml uploaded. | 27 June 2017 16:01 CEST | Original file | https://www.mdpi.com/2071-1050/9/7/1121/xml |
| article pdf uploaded. | 27 June 2017 16:01 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/7/1121/pdf |
