| article html file updated | 8 February 2020 23:08 CET | Update | https://www.mdpi.com/2071-1050/9/12/2243 |
| article html file updated | 2 May 2019 10:39 CEST | Update | - |
| article html file updated | 18 April 2019 08:17 CEST | Update | - |
| article html file updated | 2 January 2018 18:10 CET | Update | - |
| article html file updated | 5 December 2017 10:12 CET | Original file | - |
| article xml uploaded. | 5 December 2017 10:10 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2243/xml |
| article pdf uploaded. | 5 December 2017 10:10 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2243/pdf |
