| article html file updated | 6 February 2020 14:34 CET | Update | https://www.mdpi.com/1422-0067/15/12/23604 |
| article html file updated | 7 May 2019 03:45 CEST | Update | - |
| article html file updated | 25 March 2019 19:27 CET | Update | - |
| article html file updated | 21 August 2015 04:25 CEST | Update | - |
| article html file updated | 6 January 2015 09:18 CET | Original file | - |
| article xml file uploaded | 6 January 2015 09:18 CET | Original file | https://www.mdpi.com/1422-0067/15/12/23604/xml |
| article pdf uploaded. | 18 December 2014 10:36 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/23604/pdf |
