| article html file updated | 8 February 2020 05:36 CET | Update | https://www.mdpi.com/2079-9268/7/2/11 |
| article html file updated | 24 September 2019 18:36 CEST | Update | - |
| article html file updated | 3 May 2019 22:31 CEST | Update | - |
| article html file updated | 23 May 2017 04:03 CEST | Update | - |
| article html file updated | 11 May 2017 11:32 CEST | Original file | - |
| article xml uploaded. | 11 May 2017 11:31 CEST | Original file | https://www.mdpi.com/2079-9268/7/2/11/xml |
| article pdf uploaded. | 11 May 2017 11:31 CEST | Version of Record | https://www.mdpi.com/2079-9268/7/2/11/pdf |
