| article html file updated | 8 February 2020 08:27 CET | Update | https://www.mdpi.com/2071-1050/9/6/1038 |
| article html file updated | 25 September 2019 09:20 CEST | Update | - |
| article html file updated | 3 May 2019 17:09 CEST | Update | - |
| article html file updated | 28 June 2017 14:50 CEST | Update | - |
| article html file updated | 16 June 2017 11:20 CEST | Original file | - |
| article xml uploaded. | 16 June 2017 11:19 CEST | Update | https://www.mdpi.com/2071-1050/9/6/1038/xml |
| article pdf uploaded. | 16 June 2017 11:19 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/1038/pdf |
