| article html file updated | 6 February 2020 11:45 CET | Update | https://www.mdpi.com/2304-6732/1/3/251 |
| article html file updated | 7 May 2019 09:11 CEST | Update | - |
| article html file updated | 21 March 2019 23:44 CET | Update | - |
| Erratum published | 14 September 2018 00:00 CEST | Erratum | http://www.mdpi.com/2304-6732/5/3/28 |
| article html file updated | 20 August 2015 16:27 CEST | Original file | - |
| article pdf uploaded. | 25 August 2014 14:19 CEST | Version of Record | https://www.mdpi.com/2304-6732/1/3/251/pdf |
