| article html file updated | 7 February 2020 09:52 CET | Update | https://www.mdpi.com/2075-1680/5/2/17 |
| article html file updated | 5 May 2019 13:31 CEST | Update | N/A |
| article html file updated | 27 March 2019 06:56 CET | Update | N/A |
| article html file updated | 1 July 2016 10:17 CEST | Update | N/A |
| article html file updated | 7 June 2016 14:44 CEST | Original file | N/A |
| article xml uploaded. | 7 June 2016 14:43 CEST | Original file | https://www.mdpi.com/2075-1680/5/2/17/xml |
| article pdf uploaded. | 7 June 2016 14:43 CEST | Version of Record | https://www.mdpi.com/2075-1680/5/2/17/pdf |
