| article html file updated | 8 February 2020 03:47 CET | Update | https://www.mdpi.com/1999-4893/10/2/42 |
| article html file updated | 24 September 2019 08:54 CEST | Update | - |
| article html file updated | 4 May 2019 01:51 CEST | Update | - |
| article html file updated | 28 June 2017 12:25 CEST | Update | - |
| article html file updated | 17 April 2017 16:10 CEST | Original file | - |
| article xml uploaded. | 17 April 2017 16:09 CEST | Original file | https://www.mdpi.com/1999-4893/10/2/42/xml |
| article pdf uploaded. | 17 April 2017 16:09 CEST | Version of Record | https://www.mdpi.com/1999-4893/10/2/42/pdf |
