| article html file updated | 23 October 2025 06:20 CEST | Update | https://www.mdpi.com/2076-2615/4/2/131 |
| article html file updated | 6 February 2020 08:21 CET | Update | N/A |
| article html file updated | 21 March 2019 14:56 CET | Update | N/A |
| article html file updated | 20 August 2015 02:09 CEST | Update | N/A |
| article html file updated | 10 November 2014 07:31 CET | Original file | N/A |
| article xml file uploaded | 10 November 2014 07:31 CET | Original file | https://www.mdpi.com/2076-2615/4/2/131/xml |
| article pdf uploaded. | 3 April 2014 10:49 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/2/131/pdf |
