| article html file updated | 7 February 2020 21:06 CET | Update | https://www.mdpi.com/1660-4601/14/1/56 |
| article html file updated | 22 September 2019 19:36 CEST | Update | - |
| article html file updated | 4 May 2019 16:07 CEST | Update | - |
| article html file updated | 7 February 2017 10:53 CET | Update | - |
| article html file updated | 10 January 2017 15:02 CET | Original file | - |
| article xml uploaded. | 10 January 2017 15:01 CET | Original file | https://www.mdpi.com/1660-4601/14/1/56/xml |
| article pdf uploaded. | 10 January 2017 15:01 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/56/pdf |
