| article html file updated | 10 February 2020 18:35 CET | Update | https://www.mdpi.com/2305-7084/2/4/52 |
| article html file updated | 9 October 2019 18:10 CEST | Update | N/A |
| article html file updated | 28 April 2019 14:31 CEST | Update | N/A |
| article html file updated | 14 April 2019 09:41 CEST | Update | N/A |
| article html file updated | 1 April 2019 13:45 CEST | Update | N/A |
| article html file updated | 30 October 2018 06:32 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2018 04:19 CET | Version of Record | https://www.mdpi.com/2305-7084/2/4/52/pdf |
| article xml uploaded. | 30 October 2018 04:19 CET | Update | https://www.mdpi.com/2305-7084/2/4/52/xml |
| article xml file uploaded | 30 October 2018 04:19 CET | Original file | N/A |
