| article html file updated | 8 February 2020 23:56 CET | Update | https://www.mdpi.com/2071-1050/9/12/2263 |
| article html file updated | 29 September 2019 04:20 CEST | Update | N/A |
| article html file updated | 2 May 2019 08:53 CEST | Update | N/A |
| article html file updated | 18 April 2019 06:38 CEST | Update | N/A |
| article html file updated | 2 January 2018 18:27 CET | Update | N/A |
| article html file updated | 13 December 2017 05:41 CET | Original file | N/A |
| article xml uploaded. | 13 December 2017 05:40 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2263/xml |
| article pdf uploaded. | 13 December 2017 05:40 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2263/pdf |
