| article html file updated | 7 February 2020 08:34 CET | Update | https://www.mdpi.com/2304-6740/4/2/14 |
| article html file updated | 5 May 2019 16:03 CEST | Update | - |
| article html file updated | 27 March 2019 04:27 CET | Update | - |
| article html file updated | 1 July 2016 12:01 CEST | Update | - |
| article html file updated | 12 May 2016 11:13 CEST | Original file | - |
| article xml uploaded. | 12 May 2016 11:11 CEST | Original file | https://www.mdpi.com/2304-6740/4/2/14/xml |
| article pdf uploaded. | 12 May 2016 11:11 CEST | Version of Record | https://www.mdpi.com/2304-6740/4/2/14/pdf |
