| article html file updated | 6 February 2020 21:24 CET | Update | https://www.mdpi.com/2227-9075/2/3/502 |
| article html file updated | 6 May 2019 14:19 CEST | Update | - |
| article html file updated | 26 March 2019 08:00 CET | Update | - |
| article html file updated | 21 August 2015 15:24 CEST | Original file | - |
| article supplementary file uploaded. | 5 August 2015 09:43 CEST | - | https://www.mdpi.com/2227-9075/2/3/502#supplementary |
| article pdf uploaded. | 4 August 2015 16:05 CEST | Version of Record | https://www.mdpi.com/2227-9075/2/3/502/pdf |
