| article html file updated | 29 August 2025 20:36 CEST | Update | https://www.mdpi.com/1999-4915/5/4/1075 |
| article html file updated | 15 July 2022 22:14 CEST | Update | N/A |
| article html file updated | 6 February 2020 01:27 CET | Update | N/A |
| article html file updated | 8 May 2019 06:24 CEST | Update | N/A |
| article html file updated | 20 March 2019 20:51 CET | Update | N/A |
| article html file updated | 17 June 2015 08:19 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2013 10:58 CEST | Updated version of record | https://www.mdpi.com/1999-4915/5/4/1075/pdf |
| article pdf uploaded. | 10 April 2013 14:57 CEST | Version of Record | https://www.mdpi.com/1999-4915/5/4/1075/pdf-vor |
