| article html file updated | 6 February 2020 04:24 CET | Update | https://www.mdpi.com/2072-6643/5/9/3634 |
| article html file updated | 8 May 2019 00:24 CEST | Update | - |
| article html file updated | 21 March 2019 04:37 CET | Update | - |
| article html file updated | 17 June 2015 13:15 CEST | Update | - |
| article html file updated | 25 October 2013 10:00 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:59 CEST | Original file | https://www.mdpi.com/2072-6643/5/9/3634/xml |
| article pdf uploaded. | 16 September 2013 15:58 CEST | Version of Record | https://www.mdpi.com/2072-6643/5/9/3634/pdf |
