| article html file updated | 6 February 2020 08:24 CET | Update | https://www.mdpi.com/1660-3397/12/4/2114 |
| article html file updated | 7 May 2019 16:20 CEST | Update | - |
| article html file updated | 21 March 2019 15:01 CET | Update | - |
| article html file updated | 20 August 2015 02:14 CEST | Original file | - |
| article supplementary file uploaded. | 5 May 2014 15:08 CEST | - | https://www.mdpi.com/1660-3397/12/4/2114#supplementary |
| article pdf uploaded. | 4 April 2014 11:25 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/4/2114/pdf |
