| article html file updated | 16 August 2026 13:09 CEST | Update | https://www.mdpi.com/2076-3387/9/3/69 |
| article html file updated | 13 February 2020 16:17 CET | Update | N/A |
| article html file updated | 26 September 2019 13:16 CEST | Update | N/A |
| article html file updated | 9 September 2019 12:07 CEST | Original file | N/A |
| article pdf uploaded. | 9 September 2019 12:06 CEST | Version of Record | https://www.mdpi.com/2076-3387/9/3/69/pdf |
| article xml uploaded. | 9 September 2019 12:06 CEST | Update | https://www.mdpi.com/2076-3387/9/3/69/xml |
| article xml file uploaded | 9 September 2019 12:06 CEST | Original file | N/A |
