| article html file updated | 7 February 2020 22:50 CET | Update | https://www.mdpi.com/2077-0472/7/2/11 |
| article html file updated | 23 September 2019 04:51 CEST | Update | - |
| article html file updated | 4 May 2019 12:23 CEST | Update | - |
| article html file updated | 28 February 2017 10:49 CET | Update | - |
| article html file updated | 8 February 2017 12:22 CET | Original file | - |
| article xml uploaded. | 8 February 2017 12:21 CET | Original file | https://www.mdpi.com/2077-0472/7/2/11/xml |
| article pdf uploaded. | 8 February 2017 12:21 CET | Version of Record | https://www.mdpi.com/2077-0472/7/2/11/pdf |
