| article html file updated | 6 February 2020 07:45 CET | Update | https://www.mdpi.com/2078-2489/5/1/190 |
| article html file updated | 7 May 2019 17:38 CEST | Update | - |
| article html file updated | 21 March 2019 13:31 CET | Original file | - |
| article pdf uploaded. | 10 March 2014 12:03 CET | Updated version of record | https://www.mdpi.com/2078-2489/5/1/190/pdf |
| article pdf uploaded. | 10 March 2014 12:01 CET | Updated version of record | https://www.mdpi.com/2078-2489/5/1/190/pdf-vor |
| article pdf uploaded. | 7 March 2014 09:28 CET | Version of Record | https://www.mdpi.com/2078-2489/5/1/190/pdf-vor |
