| article html file updated | 7 February 2020 12:44 CET | Update | https://www.mdpi.com/2075-4701/6/8/179 |
| article html file updated | 5 May 2019 08:11 CEST | Update | - |
| article html file updated | 27 March 2019 12:20 CET | Update | - |
| article html file updated | 26 August 2016 06:41 CEST | Update | - |
| article html file updated | 3 August 2016 08:23 CEST | Original file | - |
| article xml uploaded. | 3 August 2016 08:21 CEST | Update | https://www.mdpi.com/2075-4701/6/8/179/xml |
| article pdf uploaded. | 3 August 2016 08:21 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/8/179/pdf |
