| article html file updated | 8 February 2020 04:14 CET | Update | https://www.mdpi.com/2077-0472/7/4/36 |
| article html file updated | 24 September 2019 11:32 CEST | Update | - |
| article html file updated | 4 May 2019 01:00 CEST | Update | - |
| article html file updated | 27 April 2017 05:47 CEST | Update | - |
| article html file updated | 23 April 2017 13:03 CEST | Original file | - |
| article xml uploaded. | 23 April 2017 13:02 CEST | Original file | https://www.mdpi.com/2077-0472/7/4/36/xml |
| article pdf uploaded. | 23 April 2017 13:02 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/4/36/pdf |
