| article html file updated | 7 February 2020 18:23 CET | Update | https://www.mdpi.com/2313-4321/1/3/328 |
| article html file updated | 4 May 2019 21:48 CEST | Update | N/A |
| article html file updated | 22 November 2016 10:38 CET | Original file | N/A |
| article xml uploaded. | 22 November 2016 10:37 CET | Original file | https://www.mdpi.com/2313-4321/1/3/328/xml |
| article pdf uploaded. | 22 November 2016 10:37 CET | Version of Record | https://www.mdpi.com/2313-4321/1/3/328/pdf |
