| article html file updated | 8 February 2020 04:06 CET | Update | https://www.mdpi.com/1660-4601/14/4/448 |
| article html file updated | 24 September 2019 10:43 CEST | Update | - |
| article html file updated | 4 May 2019 01:15 CEST | Update | - |
| article html file updated | 28 April 2017 08:03 CEST | Update | - |
| article html file updated | 21 April 2017 12:16 CEST | Original file | - |
| article xml uploaded. | 21 April 2017 12:15 CEST | Original file | https://www.mdpi.com/1660-4601/14/4/448/xml |
| article pdf uploaded. | 21 April 2017 12:15 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/448/pdf |
