| article html file updated | 6 February 2020 01:53 CET | Update | https://www.mdpi.com/1424-2818/5/2/335 |
| article html file updated | 8 May 2019 05:35 CEST | Update | N/A |
| article html file updated | 20 March 2019 22:00 CET | Update | N/A |
| article html file updated | 17 June 2015 08:59 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:07 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:07 CEST | Original file | https://www.mdpi.com/1424-2818/5/2/335/xml |
| article pdf uploaded. | 2 May 2013 14:29 CEST | Version of Record | https://www.mdpi.com/1424-2818/5/2/335/pdf |
