| article html file updated | 7 February 2020 09:39 CET | Update | https://www.mdpi.com/2076-0825/5/2/16 |
| article html file updated | 5 May 2019 13:55 CEST | Update | - |
| article html file updated | 27 March 2019 06:28 CET | Update | - |
| article html file updated | 27 June 2016 12:02 CEST | Update | - |
| article html file updated | 2 June 2016 13:18 CEST | Original file | - |
| article pdf uploaded. | 2 June 2016 13:17 CEST | Version of Record | https://www.mdpi.com/2076-0825/5/2/16/pdf |
| article xml uploaded. | 2 June 2016 13:17 CEST | Original file | https://www.mdpi.com/2076-0825/5/2/16/xml |
