| article html file updated | 12 February 2020 17:01 CET | Update | https://www.mdpi.com/2305-7084/3/2/57 |
| article html file updated | 14 June 2019 08:08 CEST | Original file | N/A |
| article pdf uploaded. | 14 June 2019 08:07 CEST | Updated version of record | https://www.mdpi.com/2305-7084/3/2/57/pdf |
| article xml uploaded. | 14 June 2019 08:07 CEST | Update | https://www.mdpi.com/2305-7084/3/2/57/xml |
| article xml file uploaded | 14 June 2019 08:07 CEST | Update | N/A |
| article pdf uploaded. | 1 June 2019 11:40 CEST | Version of Record | https://www.mdpi.com/2305-7084/3/2/57/pdf-vor |
| article xml file uploaded | 1 June 2019 11:40 CEST | Original file | N/A |
