| article html file updated | 6 February 2020 00:25 CET | Update | https://www.mdpi.com/2077-1444/4/1/96 |
| article html file updated | 19 September 2019 17:42 CEST | Update | - |
| article html file updated | 8 May 2019 08:46 CEST | Update | - |
| article html file updated | 20 March 2019 18:16 CET | Update | - |
| article html file updated | 12 April 2017 11:01 CEST | Original file | - |
| article pdf uploaded. | 5 February 2013 15:23 CET | Version of Record | https://www.mdpi.com/2077-1444/4/1/96/pdf |
