| article html file updated | 31 August 2025 14:23 CEST | Update | https://www.mdpi.com/2227-9091/8/1/27 |
| article html file updated | 20 July 2022 22:52 CEST | Update | N/A |
| article html file updated | 1 April 2020 21:16 CEST | Update | N/A |
| article html file updated | 26 March 2020 06:08 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2020 06:07 CET | Updated version of record | https://www.mdpi.com/2227-9091/8/1/27/pdf |
| article xml uploaded. | 26 March 2020 06:07 CET | Update | https://www.mdpi.com/2227-9091/8/1/27/xml |
| article xml file uploaded | 26 March 2020 06:07 CET | Update | N/A |
| article pdf uploaded. | 13 March 2020 14:15 CET | Version of Record | https://www.mdpi.com/2227-9091/8/1/27/pdf-vor |
| article xml file uploaded | 13 March 2020 14:15 CET | Original file | N/A |
