| article html file updated | 8 February 2020 22:19 CET | Update | https://www.mdpi.com/2071-1050/9/12/2189 |
| article html file updated | 28 September 2019 18:45 CEST | Update | - |
| article html file updated | 2 May 2019 12:30 CEST | Update | - |
| article html file updated | 18 April 2019 10:06 CEST | Update | - |
| article html file updated | 2 January 2018 17:24 CET | Update | - |
| article html file updated | 27 November 2017 15:02 CET | Original file | - |
| article xml uploaded. | 27 November 2017 15:01 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2189/xml |
| article pdf uploaded. | 27 November 2017 15:01 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/12/2189/pdf |
| article pdf uploaded. | 27 November 2017 09:44 CET | Version of Record | - |
