| article html file updated | 7 February 2020 07:25 CET | Update | https://www.mdpi.com/1999-4893/9/2/27 |
| article html file updated | 5 May 2019 18:20 CEST | Update | - |
| article html file updated | 27 March 2019 02:11 CET | Update | - |
| article html file updated | 27 June 2016 12:13 CEST | Update | - |
| article html file updated | 18 April 2016 12:22 CEST | Original file | - |
| article xml uploaded. | 18 April 2016 12:21 CEST | Original file | https://www.mdpi.com/1999-4893/9/2/27/xml |
| article pdf uploaded. | 18 April 2016 12:21 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/2/27/pdf |
