| article html file updated | 7 February 2020 08:51 CET | Update | https://www.mdpi.com/2075-1680/5/2/12 |
| article html file updated | 5 May 2019 15:31 CEST | Update | - |
| article html file updated | 27 March 2019 04:57 CET | Update | - |
| article html file updated | 1 July 2016 10:10 CEST | Update | - |
| article html file updated | 17 May 2016 12:59 CEST | Original file | - |
| article xml uploaded. | 17 May 2016 12:58 CEST | Original file | https://www.mdpi.com/2075-1680/5/2/12/xml |
| article pdf uploaded. | 17 May 2016 12:58 CEST | Version of Record | https://www.mdpi.com/2075-1680/5/2/12/pdf |
