| article html file updated | 14 February 2020 15:04 CET | Update | https://www.mdpi.com/2305-7084/3/4/91 |
| article html file updated | 18 December 2019 14:53 CET | Original file | - |
| article pdf uploaded. | 18 December 2019 14:52 CET | Updated version of record | https://www.mdpi.com/2305-7084/3/4/91/pdf |
| article xml uploaded. | 18 December 2019 14:52 CET | Update | https://www.mdpi.com/2305-7084/3/4/91/xml |
| article xml file uploaded | 18 December 2019 14:52 CET | Update | - |
| article pdf uploaded. | 2 December 2019 11:55 CET | Version of Record | https://www.mdpi.com/2305-7084/3/4/91/pdf-vor |
| article xml file uploaded | 2 December 2019 11:54 CET | Original file | - |
