| article html file updated | 7 February 2020 11:52 CET | Update | https://www.mdpi.com/2076-3263/6/3/34 |
| article html file updated | 5 May 2019 09:50 CEST | Update | - |
| article html file updated | 27 March 2019 10:36 CET | Update | - |
| article html file updated | 18 July 2016 14:16 CEST | Original file | - |
| article xml uploaded. | 18 July 2016 14:15 CEST | Original file | https://www.mdpi.com/2076-3263/6/3/34/xml |
| article pdf uploaded. | 18 July 2016 14:15 CEST | Version of Record | https://www.mdpi.com/2076-3263/6/3/34/pdf |
