| article html file updated | 31 August 2025 10:58 CEST | Update | https://www.mdpi.com/2304-6775/8/1/9 |
| article html file updated | 20 July 2022 19:29 CEST | Update | - |
| article html file updated | 23 March 2020 09:32 CET | Original file | - |
| article pdf uploaded. | 23 March 2020 09:31 CET | Updated version of record | https://www.mdpi.com/2304-6775/8/1/9/pdf |
| article xml uploaded. | 23 March 2020 09:31 CET | Update | https://www.mdpi.com/2304-6775/8/1/9/xml |
| article xml file uploaded | 23 March 2020 09:31 CET | Update | - |
| article pdf uploaded. | 6 February 2020 16:23 CET | Version of Record | https://www.mdpi.com/2304-6775/8/1/9/pdf-vor |
| article xml file uploaded | 6 February 2020 16:23 CET | Original file | - |
