| article html file updated | 28 September 2025 19:18 CEST | Update | https://www.mdpi.com/2078-2489/4/2/171 |
| article html file updated | 29 August 2025 20:37 CEST | Update | - |
| article html file updated | 15 July 2022 22:14 CEST | Update | - |
| article html file updated | 6 February 2020 01:31 CET | Update | - |
| article html file updated | 8 May 2019 06:15 CEST | Update | - |
| article html file updated | 20 March 2019 21:02 CET | Update | - |
| article html file updated | 17 June 2015 08:27 CEST | Update | - |
| article html file updated | 10 November 2014 07:33 CET | Original file | - |
| article xml file uploaded | 10 November 2014 07:33 CET | Original file | https://www.mdpi.com/2078-2489/4/2/171/xml |
| article pdf uploaded. | 15 April 2013 13:57 CEST | Version of Record | https://www.mdpi.com/2078-2489/4/2/171/pdf |