| article html file updated | 6 February 2020 00:44 CET | Update | https://www.mdpi.com/1660-4601/10/3/830 |
| article html file updated | 8 May 2019 07:58 CEST | Update | - |
| article html file updated | 20 March 2019 19:06 CET | Update | - |
| article html file updated | 17 June 2015 06:55 CEST | Original file | - |
| article pdf uploaded. | 1 March 2013 16:57 CET | Updated version of record | https://www.mdpi.com/1660-4601/10/3/830/pdf |
| article pdf uploaded. | 28 February 2013 13:43 CET | Version of Record | https://www.mdpi.com/1660-4601/10/3/830/pdf-vor |
