| article html file updated | 8 February 2020 04:51 CET | Update | https://www.mdpi.com/2077-0472/7/5/40 |
| article html file updated | 24 September 2019 14:46 CEST | Update | - |
| article html file updated | 3 May 2019 23:52 CEST | Update | - |
| article html file updated | 31 May 2017 06:24 CEST | Update | - |
| article html file updated | 23 May 2017 03:30 CEST | Update | - |
| article html file updated | 2 May 2017 10:22 CEST | Original file | - |
| article xml uploaded. | 2 May 2017 10:20 CEST | Original file | https://www.mdpi.com/2077-0472/7/5/40/xml |
| article pdf uploaded. | 2 May 2017 10:20 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/5/40/pdf |
