| article html file updated | 6 February 2020 14:17 CET | Update | https://www.mdpi.com/1422-0067/15/12/22772 |
| article html file updated | 7 May 2019 04:18 CEST | Update | - |
| article html file updated | 25 March 2019 18:57 CET | Update | - |
| article html file updated | 21 August 2015 03:44 CEST | Update | - |
| article html file updated | 6 January 2015 09:17 CET | Original file | - |
| article xml file uploaded | 6 January 2015 09:17 CET | Original file | https://www.mdpi.com/1422-0067/15/12/22772/xml |
| article pdf uploaded. | 9 December 2014 08:50 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/22772/pdf |
