| article html file updated | 8 February 2020 16:53 CET | Update | https://www.mdpi.com/2071-1050/9/10/1688 |
| article html file updated | 27 September 2019 07:27 CEST | Update | - |
| article html file updated | 3 May 2019 00:37 CEST | Update | - |
| article html file updated | 3 November 2017 04:28 CET | Update | - |
| article html file updated | 22 September 2017 14:00 CEST | Original file | - |
| article xml uploaded. | 22 September 2017 13:59 CEST | Original file | https://www.mdpi.com/2071-1050/9/10/1688/xml |
| article pdf uploaded. | 22 September 2017 13:59 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/10/1688/pdf |
