| article html file updated | 6 February 2020 06:08 CET | Update | https://www.mdpi.com/1422-0067/14/12/24200 |
| article html file updated | 7 May 2019 20:57 CEST | Update | - |
| article html file updated | 21 March 2019 09:16 CET | Update | - |
| article html file updated | 19 August 2015 13:25 CEST | Update | - |
| article html file updated | 31 December 2013 09:28 CET | Original file | - |
| article xml file uploaded | 31 December 2013 09:28 CET | Original file | https://www.mdpi.com/1422-0067/14/12/24200/xml |
| article pdf uploaded. | 12 December 2013 13:35 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/24200/pdf |
