| article html file updated | 7 February 2020 14:30 CET | Update | https://www.mdpi.com/2075-4418/6/3/34 |
| article html file updated | 5 May 2019 04:59 CEST | Update | - |
| article html file updated | 28 September 2016 22:59 CEST | Update | - |
| article html file updated | 6 September 2016 10:23 CEST | Original file | - |
| article xml uploaded. | 6 September 2016 10:22 CEST | Original file | https://www.mdpi.com/2075-4418/6/3/34/xml |
| article pdf uploaded. | 6 September 2016 10:22 CEST | Version of Record | https://www.mdpi.com/2075-4418/6/3/34/pdf |
