| article html file updated | 6 February 2020 05:14 CET | Update | https://www.mdpi.com/1422-0067/14/11/21525 |
| article html file updated | 7 May 2019 22:41 CEST | Update | - |
| article html file updated | 21 March 2019 06:52 CET | Update | - |
| article html file updated | 9 December 2013 08:35 CET | Original file | - |
| article xml file uploaded | 9 December 2013 08:34 CET | Original file | https://www.mdpi.com/1422-0067/14/11/21525/xml |
| article pdf uploaded. | 30 October 2013 11:23 CET | Version of Record | https://www.mdpi.com/1422-0067/14/11/21525/pdf |
