| article html file updated | 8 February 2020 22:57 CET | Update | https://www.mdpi.com/2071-1050/9/12/2230 |
| article html file updated | 2 May 2019 11:02 CEST | Update | - |
| article html file updated | 18 April 2019 08:40 CEST | Update | - |
| article html file updated | 2 January 2018 17:58 CET | Update | - |
| article html file updated | 2 December 2017 12:56 CET | Original file | - |
| article xml uploaded. | 2 December 2017 12:55 CET | Update | https://www.mdpi.com/2071-1050/9/12/2230/xml |
| article xml uploaded. | 2 December 2017 12:55 CET | Original file | - |
| article pdf uploaded. | 2 December 2017 12:55 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2230/pdf |
