| article html file updated | 6 February 2020 05:23 CET | Update | https://www.mdpi.com/1422-0067/14/11/22052 |
| article html file updated | 7 May 2019 22:25 CEST | Update | N/A |
| article html file updated | 21 March 2019 07:15 CET | Update | N/A |
| article html file updated | 19 August 2015 09:04 CEST | Update | N/A |
| article html file updated | 9 December 2013 08:48 CET | Original file | N/A |
| article xml file uploaded | 9 December 2013 08:48 CET | Original file | https://www.mdpi.com/1422-0067/14/11/22052/xml |
| article pdf uploaded. | 7 November 2013 11:22 CET | Version of Record | https://www.mdpi.com/1422-0067/14/11/22052/pdf |
