| article html file updated | 7 February 2020 06:30 CET | Update | https://www.mdpi.com/2076-3425/6/2/11 |
| article html file updated | 5 May 2019 20:13 CEST | Update | - |
| article html file updated | 27 March 2019 00:30 CET | Update | - |
| article html file updated | 4 July 2016 06:19 CEST | Update | - |
| article html file updated | 28 March 2016 11:10 CEST | Original file | - |
| article xml uploaded. | 28 March 2016 11:08 CEST | Original file | https://www.mdpi.com/2076-3425/6/2/11/xml |
| article pdf uploaded. | 28 March 2016 11:08 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/2/11/pdf |
