| article html file updated | 6 February 2020 14:06 CET | Update | https://www.mdpi.com/2308-3425/1/3/237 |
| article html file updated | 7 May 2019 04:39 CEST | Update | - |
| article html file updated | 25 March 2019 18:38 CET | Update | - |
| article html file updated | 21 August 2015 03:08 CEST | Original file | - |
| article supplementary file uploaded. | 1 December 2014 14:46 CET | - | https://www.mdpi.com/2308-3425/1/3/237#supplementary |
| article pdf uploaded. | 1 December 2014 14:46 CET | Version of Record | https://www.mdpi.com/2308-3425/1/3/237/pdf |
