| article html file updated | 7 February 2020 13:07 CET | Update | https://www.mdpi.com/1999-4893/9/3/52 |
| article html file updated | 5 May 2019 07:29 CEST | Update | - |
| article html file updated | 27 March 2019 13:15 CET | Update | - |
| article html file updated | 29 September 2016 08:15 CEST | Update | - |
| article html file updated | 11 August 2016 12:12 CEST | Update | - |
| article html file updated | 11 August 2016 09:09 CEST | Update | - |
| article html file updated | 10 August 2016 22:39 CEST | Original file | - |
| article xml uploaded. | 10 August 2016 12:09 CEST | Original file | https://www.mdpi.com/1999-4893/9/3/52/xml |
| article pdf uploaded. | 10 August 2016 12:09 CEST | Version of Record | https://www.mdpi.com/1999-4893/9/3/52/pdf |
