| article html file updated | 6 February 2020 15:44 CET | Update | https://www.mdpi.com/1660-4601/12/2/1864 |
| article html file updated | 7 May 2019 01:24 CEST | Update | - |
| article html file updated | 25 March 2019 21:24 CET | Update | - |
| article html file updated | 21 August 2015 07:06 CEST | Update | - |
| article html file updated | 3 March 2015 06:59 CET | Original file | - |
| article xml file uploaded | 3 March 2015 06:59 CET | Original file | https://www.mdpi.com/1660-4601/12/2/1864/xml |
| article pdf uploaded. | 5 February 2015 10:53 CET | Version of Record | https://www.mdpi.com/1660-4601/12/2/1864/pdf |
