| article html file updated | 6 February 2020 13:12 CET | Update | https://www.mdpi.com/1422-0067/15/11/19700 |
| article html file updated | 7 May 2019 06:22 CEST | Update | - |
| article html file updated | 25 March 2019 16:44 CET | Update | - |
| article html file updated | 21 August 2015 00:42 CEST | Update | - |
| article html file updated | 12 December 2014 08:47 CET | Original file | - |
| article xml file uploaded | 12 December 2014 08:47 CET | Original file | https://www.mdpi.com/1422-0067/15/11/19700/xml |
| article pdf uploaded. | 29 October 2014 09:01 CET | Version of Record | https://www.mdpi.com/1422-0067/15/11/19700/pdf |
