| article html file updated | 29 August 2025 20:40 CEST | Update | https://www.mdpi.com/1999-4915/5/6/1587 |
| article html file updated | 15 July 2022 22:21 CEST | Update | - |
| article html file updated | 6 February 2020 02:46 CET | Update | - |
| article html file updated | 8 May 2019 03:45 CEST | Update | - |
| article html file updated | 21 March 2019 00:09 CET | Update | - |
| article html file updated | 17 June 2015 10:28 CEST | Update | - |
| article html file updated | 6 August 2013 16:12 CEST | Original file | - |
| article xml file uploaded | 6 August 2013 16:12 CEST | Original file | https://www.mdpi.com/1999-4915/5/6/1587/xml |
| article pdf uploaded. | 21 June 2013 15:05 CEST | Version of Record | https://www.mdpi.com/1999-4915/5/6/1587/pdf |