| article html file updated | 8 February 2020 07:26 CET | Update | https://www.mdpi.com/2071-1050/9/6/941 |
| article html file updated | 25 September 2019 04:02 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:02 CEST | Update | N/A |
| article html file updated | 28 June 2017 14:38 CEST | Update | N/A |
| article html file updated | 3 June 2017 13:48 CEST | Original file | N/A |
| article xml uploaded. | 3 June 2017 13:47 CEST | Update | https://www.mdpi.com/2071-1050/9/6/941/xml |
| article pdf uploaded. | 3 June 2017 13:47 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/6/941/pdf |
