| article html file updated | 6 February 2020 05:45 CET | Update | https://www.mdpi.com/1422-0067/14/12/23212 |
| article html file updated | 7 May 2019 21:43 CEST | Update | - |
| article html file updated | 21 March 2019 08:11 CET | Update | - |
| article html file updated | 19 August 2015 10:46 CEST | Update | - |
| article html file updated | 31 December 2013 09:15 CET | Original file | - |
| article xml file uploaded | 31 December 2013 09:14 CET | Original file | https://www.mdpi.com/1422-0067/14/12/23212/xml |
| article pdf uploaded. | 25 November 2013 14:34 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/23212/pdf |
