| article html file updated | 6 February 2020 15:58 CET | Update | https://www.mdpi.com/1660-4601/12/2/2090 |
| article html file updated | 7 May 2019 00:58 CEST | Update | - |
| article html file updated | 25 March 2019 21:47 CET | Update | - |
| article html file updated | 21 August 2015 07:41 CEST | Update | - |
| article html file updated | 3 March 2015 07:00 CET | Original file | - |
| article xml file uploaded | 3 March 2015 07:00 CET | Original file | https://www.mdpi.com/1660-4601/12/2/2090/xml |
| article pdf uploaded. | 13 February 2015 13:22 CET | Version of Record | https://www.mdpi.com/1660-4601/12/2/2090/pdf |
