| article html file updated | 8 February 2020 08:19 CET | Update | https://www.mdpi.com/2075-1680/6/2/14 |
| article html file updated | 25 September 2019 08:36 CEST | Update | N/A |
| article html file updated | 3 May 2019 17:24 CEST | Update | N/A |
| article html file updated | 30 June 2017 10:12 CEST | Update | N/A |
| article html file updated | 14 June 2017 14:40 CEST | Original file | N/A |
| article xml uploaded. | 14 June 2017 14:39 CEST | Original file | https://www.mdpi.com/2075-1680/6/2/14/xml |
| article pdf uploaded. | 14 June 2017 14:39 CEST | Version of Record | https://www.mdpi.com/2075-1680/6/2/14/pdf |
