| article html file updated | 6 February 2020 00:39 CET | Update | https://www.mdpi.com/1660-3397/11/2/559 |
| article html file updated | 8 May 2019 08:11 CEST | Update | - |
| article html file updated | 20 March 2019 18:53 CET | Update | - |
| article html file updated | 17 June 2015 06:47 CEST | Original file | - |
| article supplementary file uploaded. | 22 February 2013 12:26 CET | - | https://www.mdpi.com/1660-3397/11/2/559#supplementary |
| article pdf uploaded. | 22 February 2013 12:25 CET | Version of Record | https://www.mdpi.com/1660-3397/11/2/559/pdf |
