| article html file updated | 8 February 2020 16:50 CET | Update | https://www.mdpi.com/2071-1050/9/10/1680 |
| article html file updated | 27 September 2019 07:06 CEST | Update | - |
| article html file updated | 3 May 2019 00:45 CEST | Update | - |
| article html file updated | 3 November 2017 04:28 CET | Update | - |
| article html file updated | 21 September 2017 14:55 CEST | Original file | - |
| article xml uploaded. | 21 September 2017 14:54 CEST | Original file | https://www.mdpi.com/2071-1050/9/10/1680/xml |
| article pdf uploaded. | 21 September 2017 14:54 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1680/pdf |
