| article html file updated | 8 February 2020 02:44 CET | Update | https://www.mdpi.com/2075-4418/7/2/19 |
| article html file updated | 24 September 2019 03:01 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:57 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:19 CEST | Update | N/A |
| article html file updated | 1 April 2017 09:00 CEST | Original file | N/A |
| article xml uploaded. | 1 April 2017 08:59 CEST | Original file | https://www.mdpi.com/2075-4418/7/2/19/xml |
| article pdf uploaded. | 1 April 2017 08:59 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/2/19/pdf |
