| article html file updated | 7 February 2020 07:22 CET | Update | https://www.mdpi.com/2076-0817/5/2/36 |
| article html file updated | 21 September 2019 15:21 CEST | Update | - |
| article html file updated | 5 May 2019 18:25 CEST | Update | - |
| article html file updated | 27 March 2019 02:05 CET | Update | - |
| article html file updated | 4 July 2016 10:34 CEST | Update | - |
| article html file updated | 16 April 2016 08:18 CEST | Original file | - |
| article xml uploaded. | 16 April 2016 08:17 CEST | Original file | https://www.mdpi.com/2076-0817/5/2/36/xml |
| article pdf uploaded. | 16 April 2016 08:17 CEST | Version of Record | https://www.mdpi.com/2076-0817/5/2/36/pdf |
