| article html file updated | 8 February 2020 04:22 CET | Update | https://www.mdpi.com/2077-0472/7/5/37 |
| article html file updated | 24 September 2019 12:12 CEST | Update | - |
| article html file updated | 4 May 2019 00:47 CEST | Update | - |
| article html file updated | 31 May 2017 06:25 CEST | Update | - |
| article html file updated | 25 April 2017 16:40 CEST | Original file | - |
| article xml uploaded. | 25 April 2017 16:39 CEST | Original file | https://www.mdpi.com/2077-0472/7/5/37/xml |
| article pdf uploaded. | 25 April 2017 16:39 CEST | Version of Record | https://www.mdpi.com/2077-0472/7/5/37/pdf |
