| article html file updated | 9 February 2020 09:17 CET | Update | https://www.mdpi.com/2076-0787/7/1/24 |
| article html file updated | 1 May 2019 12:55 CEST | Update | N/A |
| article html file updated | 17 April 2019 12:36 CEST | Update | N/A |
| article html file updated | 29 March 2019 05:21 CET | Update | N/A |
| article html file updated | 9 March 2018 16:07 CET | Original file | N/A |
| article xml uploaded. | 9 March 2018 16:05 CET | Original file | https://www.mdpi.com/2076-0787/7/1/24/xml |
| article pdf uploaded. | 9 March 2018 16:05 CET | Version of Record | https://www.mdpi.com/2076-0787/7/1/24/pdf |
