| article html file updated | 13 February 2020 22:10 CET | Update | https://www.mdpi.com/2073-4336/10/4/39 |
| article html file updated | 7 November 2019 11:05 CET | Original file | N/A |
| article pdf uploaded. | 7 November 2019 11:04 CET | Updated version of record | https://www.mdpi.com/2073-4336/10/4/39/pdf |
| article xml uploaded. | 7 November 2019 11:04 CET | Update | https://www.mdpi.com/2073-4336/10/4/39/xml |
| article xml file uploaded | 7 November 2019 11:04 CET | Update | N/A |
| article pdf uploaded. | 2 October 2019 14:50 CEST | Version of Record | https://www.mdpi.com/2073-4336/10/4/39/pdf-vor |
| article xml file uploaded | 2 October 2019 14:50 CEST | Original file | N/A |
