| article html file updated | 29 August 2025 20:51 CEST | Update | https://www.mdpi.com/2079-7737/2/4/1338 |
| article html file updated | 15 July 2022 22:42 CEST | Update | N/A |
| article html file updated | 6 February 2020 05:42 CET | Update | N/A |
| article html file updated | 7 May 2019 21:49 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:03 CET | Update | N/A |
| article html file updated | 19 August 2015 10:29 CEST | Update | N/A |
| article html file updated | 28 April 2014 10:26 CEST | Original file | N/A |
| article xml file uploaded | 28 April 2014 10:26 CEST | Original file | https://www.mdpi.com/2079-7737/2/4/1338/xml |
| article pdf uploaded. | 21 November 2013 15:29 CET | Version of Record | https://www.mdpi.com/2079-7737/2/4/1338/pdf |
