| article html file updated | 7 February 2020 20:47 CET | Update | https://www.mdpi.com/1660-4601/14/1/42 |
| article html file updated | 22 September 2019 17:55 CEST | Update | - |
| article html file updated | 4 May 2019 16:47 CEST | Update | - |
| article html file updated | 7 February 2017 10:49 CET | Update | - |
| article html file updated | 4 January 2017 12:55 CET | Original file | - |
| article xml uploaded. | 4 January 2017 12:54 CET | Original file | https://www.mdpi.com/1660-4601/14/1/42/xml |
| article pdf uploaded. | 4 January 2017 12:54 CET | Version of Record | https://www.mdpi.com/1660-4601/14/1/42/pdf |
