| article html file updated | 6 February 2020 14:40 CET | Update | https://www.mdpi.com/1660-4601/12/1/64 |
| article html file updated | 7 May 2019 03:32 CEST | Update | - |
| article html file updated | 25 March 2019 19:39 CET | Update | - |
| article html file updated | 21 August 2015 04:38 CEST | Update | - |
| article html file updated | 27 January 2015 07:00 CET | Original file | - |
| article xml file uploaded | 27 January 2015 07:00 CET | Original file | https://www.mdpi.com/1660-4601/12/1/64/xml |
| article pdf uploaded. | 23 December 2014 12:57 CET | Version of Record | https://www.mdpi.com/1660-4601/12/1/64/pdf |
