| article html file updated | 23 October 2025 06:20 CEST | Update | https://www.mdpi.com/2076-2615/4/2/272 |
| article html file updated | 6 February 2020 09:33 CET | Update | N/A |
| article html file updated | 21 March 2019 17:47 CET | Update | N/A |
| article html file updated | 20 August 2015 08:27 CEST | Update | N/A |
| article html file updated | 10 November 2014 07:30 CET | Original file | N/A |
| article xml file uploaded | 10 November 2014 07:30 CET | Original file | https://www.mdpi.com/2076-2615/4/2/272/xml |
| article pdf uploaded. | 27 May 2014 15:09 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/2/272/pdf |
