| article html file updated | 9 February 2020 14:57 CET | Update | https://www.mdpi.com/2076-0787/7/2/41 |
| article html file updated | 1 May 2019 01:17 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:53 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:19 CET | Update | N/A |
| article html file updated | 23 April 2018 13:32 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 13:30 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/41/pdf |
| article xml uploaded. | 23 April 2018 13:30 CEST | Update | https://www.mdpi.com/2076-0787/7/2/41/xml |
| article xml file uploaded | 23 April 2018 13:30 CEST | Original file | N/A |
