| article html file updated | 6 February 2020 14:41 CET | Update | https://www.mdpi.com/1660-4601/12/1/227 |
| article html file updated | 7 May 2019 03:31 CEST | Update | N/A |
| article html file updated | 25 March 2019 19:40 CET | Update | N/A |
| article html file updated | 21 August 2015 04:39 CEST | Update | N/A |
| article html file updated | 27 January 2015 07:00 CET | Original file | N/A |
| article xml file uploaded | 27 January 2015 07:00 CET | Original file | https://www.mdpi.com/1660-4601/12/1/227/xml |
| article pdf uploaded. | 23 December 2014 13:37 CET | Version of Record | https://www.mdpi.com/1660-4601/12/1/227/pdf |
