| article html file updated | 12 August 2026 20:18 CEST | Update | https://www.mdpi.com/2073-4468/2/3/517 |
| article html file updated | 28 September 2025 19:23 CEST | Update | N/A |
| article html file updated | 6 February 2020 04:26 CET | Update | N/A |
| article html file updated | 8 May 2019 00:20 CEST | Update | N/A |
| article html file updated | 21 March 2019 04:41 CET | Update | N/A |
| article html file updated | 17 June 2015 13:19 CEST | Update | N/A |
| article html file updated | 24 November 2014 10:50 CET | Original file | N/A |
| article xml file uploaded | 24 November 2014 10:50 CET | Original file | https://www.mdpi.com/2073-4468/2/3/517/xml |
| article pdf uploaded. | 17 September 2013 17:25 CEST | Version of Record | https://www.mdpi.com/2073-4468/2/3/517/pdf |