| article html file updated | 6 February 2020 11:14 CET | Update | https://www.mdpi.com/2079-4991/4/3/700 |
| article html file updated | 7 May 2019 10:26 CEST | Update | - |
| article html file updated | 21 March 2019 22:27 CET | Update | - |
| article html file updated | 16 February 2017 04:07 CET | Update | - |
| article html file updated | 20 August 2015 14:32 CEST | Original file | - |
| article pdf uploaded. | 6 August 2014 07:56 CEST | Version of Record | https://www.mdpi.com/2079-4991/4/3/700/pdf |
