| article html file updated | 6 February 2020 09:48 CET | Update | https://www.mdpi.com/2071-1050/6/6/3780 |
| article html file updated | 7 May 2019 13:26 CEST | Update | N/A |
| article html file updated | 21 March 2019 18:25 CET | Update | N/A |
| article html file updated | 20 August 2015 09:21 CEST | Original file | N/A |
| article supplementary file uploaded. | 10 June 2014 09:28 CEST | - | https://www.mdpi.com/2071-1050/6/6/3780#supplementary |
| article pdf uploaded. | 10 June 2014 09:28 CEST | Version of Record | https://www.mdpi.com/2071-1050/6/6/3780/pdf |
