| article html file updated | 7 February 2020 21:09 CET | Update | https://www.mdpi.com/1660-4601/14/1/61 |
| article html file updated | 22 September 2019 19:49 CEST | Update | - |
| article html file updated | 4 May 2019 16:00 CEST | Update | - |
| article html file updated | 7 February 2017 10:53 CET | Update | - |
| article html file updated | 10 January 2017 11:41 CET | Original file | - |
| article xml uploaded. | 10 January 2017 11:40 CET | Original file | https://www.mdpi.com/1660-4601/14/1/61/xml |
| article pdf uploaded. | 10 January 2017 11:40 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/61/pdf |
