| article html file updated | 29 August 2025 22:22 CEST | Update | https://www.mdpi.com/2076-3387/5/4/286 |
| article html file updated | 16 July 2022 01:16 CEST | Update | N/A |
| article html file updated | 7 February 2020 01:03 CET | Update | N/A |
| article html file updated | 27 October 2017 08:28 CEST | Original file | N/A |
| article pdf uploaded. | 17 November 2015 13:11 CET | Version of Record | https://www.mdpi.com/2076-3387/5/4/286/pdf |
| article xml uploaded. | 17 November 2015 13:11 CET | Original file | https://www.mdpi.com/2076-3387/5/4/286/xml |
