| article html file updated | 8 February 2020 20:48 CET | Update | https://www.mdpi.com/2071-1050/9/11/2060 |
| article html file updated | 28 September 2019 08:57 CEST | Update | - |
| article html file updated | 2 May 2019 15:52 CEST | Update | - |
| article html file updated | 30 November 2017 12:56 CET | Update | - |
| article html file updated | 10 November 2017 10:05 CET | Original file | - |
| article xml uploaded. | 10 November 2017 10:04 CET | Original file | https://www.mdpi.com/2071-1050/9/11/2060/xml |
| article pdf uploaded. | 10 November 2017 10:04 CET | Version of Record | https://www.mdpi.com/2071-1050/9/11/2060/pdf |
