| article html file updated | 8 February 2020 02:54 CET | Update | https://www.mdpi.com/1660-4601/14/4/381 |
| article html file updated | 24 September 2019 04:01 CEST | Update | - |
| article html file updated | 4 May 2019 03:35 CEST | Update | - |
| article html file updated | 28 April 2017 08:07 CEST | Update | - |
| article html file updated | 5 April 2017 07:50 CEST | Original file | - |
| article xml uploaded. | 5 April 2017 07:49 CEST | Original file | https://www.mdpi.com/1660-4601/14/4/381/xml |
| article pdf uploaded. | 5 April 2017 07:49 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/381/pdf |
