| article html file updated | 6 February 2020 08:17 CET | Update | https://www.mdpi.com/1660-3397/12/4/1911 |
| article html file updated | 7 May 2019 16:33 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:47 CET | Update | N/A |
| article html file updated | 20 August 2015 01:50 CEST | Original file | N/A |
| article supplementary file uploaded. | 1 April 2014 11:10 CEST | - | https://www.mdpi.com/1660-3397/12/4/1911#supplementary |
| article pdf uploaded. | 1 April 2014 11:10 CEST | Version of Record | https://www.mdpi.com/1660-3397/12/4/1911/pdf |
