| article html file updated | 7 February 2020 14:14 CET | Update | https://www.mdpi.com/2073-4360/8/9/324 |
| article html file updated | 5 May 2019 05:29 CEST | Update | - |
| article html file updated | 27 March 2019 15:33 CET | Update | - |
| article html file updated | 27 September 2016 11:34 CEST | Update | - |
| article html file updated | 31 August 2016 12:49 CEST | Original file | - |
| article xml uploaded. | 31 August 2016 12:47 CEST | Update | https://www.mdpi.com/2073-4360/8/9/324/xml |
| article xml uploaded. | 31 August 2016 12:47 CEST | Original file | - |
| article pdf uploaded. | 31 August 2016 12:47 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/9/324/pdf |
