| article html file updated | 6 February 2020 04:13 CET | Update | https://www.mdpi.com/1660-4601/10/9/4175 |
| article html file updated | 8 May 2019 00:47 CEST | Update | - |
| article html file updated | 21 March 2019 04:12 CET | Update | - |
| article html file updated | 17 June 2015 12:58 CEST | Update | - |
| article html file updated | 25 October 2013 09:27 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:27 CEST | Original file | https://www.mdpi.com/1660-4601/10/9/4175/xml |
| article pdf uploaded. | 6 September 2013 10:54 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/9/4175/pdf |
