| article html file updated | 6 February 2020 05:27 CET | Update | https://www.mdpi.com/1422-0067/14/11/22221 |
| article html file updated | 7 May 2019 22:18 CEST | Update | - |
| article html file updated | 21 March 2019 07:24 CET | Update | - |
| article html file updated | 19 August 2015 09:18 CEST | Update | - |
| article html file updated | 9 December 2013 08:52 CET | Original file | - |
| article xml file uploaded | 9 December 2013 08:52 CET | Original file | https://www.mdpi.com/1422-0067/14/11/22221/xml |
| article pdf uploaded. | 13 November 2013 16:24 CET | Updated version of record | https://www.mdpi.com/1422-0067/14/11/22221/pdf |
| article pdf uploaded. | 11 November 2013 11:23 CET | Version of Record | https://www.mdpi.com/1422-0067/14/11/22221/pdf-vor |
