| article html file updated | 8 February 2020 23:01 CET | Update | https://www.mdpi.com/2071-1050/9/12/2237 |
| article html file updated | 28 September 2019 23:11 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:53 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:30 CEST | Update | N/A |
| article html file updated | 2 January 2018 18:03 CET | Update | N/A |
| article html file updated | 4 December 2017 12:37 CET | Original file | N/A |
| article xml uploaded. | 4 December 2017 12:36 CET | Original file | https://www.mdpi.com/2071-1050/9/12/2237/xml |
| article pdf uploaded. | 4 December 2017 12:36 CET | Version of Record | https://www.mdpi.com/2071-1050/9/12/2237/pdf |
