| article html file updated | 7 February 2020 07:45 CET | Update | https://www.mdpi.com/2304-6740/4/2/10 |
| article html file updated | 5 May 2019 17:40 CEST | Update | - |
| article html file updated | 27 March 2019 02:52 CET | Update | - |
| article html file updated | 1 July 2016 11:58 CEST | Update | - |
| article html file updated | 25 April 2016 11:17 CEST | Original file | - |
| article xml uploaded. | 25 April 2016 11:16 CEST | Original file | https://www.mdpi.com/2304-6740/4/2/10/xml |
| article pdf uploaded. | 25 April 2016 11:16 CEST | Version of Record | https://www.mdpi.com/2304-6740/4/2/10/pdf |
