| article html file updated | 6 February 2020 22:04 CET | Update | https://www.mdpi.com/2306-5338/2/3/148 |
| article html file updated | 6 May 2019 12:52 CEST | Update | - |
| article html file updated | 26 March 2019 09:20 CET | Original file | - |
| article pdf uploaded. | 24 August 2015 17:22 CEST | Version of Record | https://www.mdpi.com/2306-5338/2/3/148/pdf |
