| article html file updated | 12 February 2020 02:34 CET | Update | https://www.mdpi.com/2305-7084/3/2/33 |
| article html file updated | 17 October 2019 15:41 CEST | Update | N/A |
| article html file updated | 6 May 2019 12:17 CEST | Original file | N/A |
| article pdf uploaded. | 6 May 2019 12:16 CEST | Updated version of record | https://www.mdpi.com/2305-7084/3/2/33/pdf |
| article xml uploaded. | 6 May 2019 12:16 CEST | Update | https://www.mdpi.com/2305-7084/3/2/33/xml |
| article xml file uploaded | 6 May 2019 12:16 CEST | Update | N/A |
| article pdf uploaded. | 2 April 2019 16:27 CEST | Version of Record | https://www.mdpi.com/2305-7084/3/2/33/pdf-vor |
| article xml file uploaded | 2 April 2019 16:27 CEST | Original file | N/A |
