| article html file updated | 7 February 2020 03:12 CET | Update | https://www.mdpi.com/2079-4991/6/1/12 |
| article html file updated | 6 May 2019 03:00 CEST | Update | - |
| article html file updated | 26 March 2019 18:00 CET | Update | - |
| article html file updated | 24 February 2017 10:13 CET | Original file | - |
| article pdf uploaded. | 7 April 2016 14:55 CEST | Updated version of record | https://www.mdpi.com/2079-4991/6/1/12/pdf |
| Erratum published | 7 April 2016 00:00 CEST | Erratum | http://www.mdpi.com/2079-4991/6/4/62 |
| article pdf uploaded. | 8 January 2016 15:39 CET | Version of Record | https://www.mdpi.com/2079-4991/6/1/12/pdf-vor |
| article xml uploaded. | 8 January 2016 15:39 CET | Original file | https://www.mdpi.com/2079-4991/6/1/12/xml |
