| article html file updated | 7 February 2020 07:39 CET | Update | https://www.mdpi.com/2075-4418/6/2/16 |
| article html file updated | 21 September 2019 15:44 CEST | Update | - |
| article html file updated | 5 May 2019 17:52 CEST | Update | - |
| article html file updated | 27 March 2019 02:40 CET | Update | - |
| article html file updated | 4 July 2016 10:31 CEST | Update | - |
| article html file updated | 26 April 2016 08:40 CEST | Original file | - |
| article xml uploaded. | 26 April 2016 08:38 CEST | Original file | https://www.mdpi.com/2075-4418/6/2/16/xml |
| article pdf uploaded. | 22 April 2016 09:34 CEST | Version of Record | https://www.mdpi.com/2075-4418/6/2/16/pdf |
