| article html file updated | 6 February 2020 06:00 CET | Update | https://www.mdpi.com/1422-0067/14/12/23751 |
| article html file updated | 7 May 2019 21:13 CEST | Update | N/A |
| article html file updated | 21 March 2019 08:53 CET | Update | N/A |
| article html file updated | 19 August 2015 12:33 CEST | Update | N/A |
| article html file updated | 31 December 2013 09:23 CET | Original file | N/A |
| article xml file uploaded | 31 December 2013 09:22 CET | Original file | https://www.mdpi.com/1422-0067/14/12/23751/xml |
| article pdf uploaded. | 5 December 2013 12:12 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/23751/pdf |
