| article html file updated | 29 August 2025 21:14 CEST | Update | https://www.mdpi.com/2075-5309/4/3/467 |
| article html file updated | 15 July 2022 23:23 CEST | Update | N/A |
| article html file updated | 6 February 2020 12:08 CET | Update | N/A |
| article html file updated | 22 March 2019 00:38 CET | Update | N/A |
| article html file updated | 20 August 2015 18:22 CEST | Original file | N/A |
| article pdf uploaded. | 11 September 2014 10:59 CEST | Version of Record | https://www.mdpi.com/2075-5309/4/3/467/pdf |
