| article html file updated | 12 February 2020 07:41 CET | Update | https://www.mdpi.com/2076-2607/7/4/111 |
| article html file updated | 8 May 2019 20:37 CEST | Update | - |
| article html file updated | 25 April 2019 09:48 CEST | Original file | - |
| article xml uploaded. | 25 April 2019 09:47 CEST | Original file | https://www.mdpi.com/2076-2607/7/4/111/xml |
| article pdf uploaded. | 25 April 2019 09:47 CEST | Version of Record | https://www.mdpi.com/2076-2607/7/4/111/pdf |
