| article html file updated | 7 February 2020 03:50 CET | Update | https://www.mdpi.com/2313-4321/1/1/101 |
| article html file updated | 6 May 2019 01:48 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:15 CET | Original file | N/A |
| article pdf uploaded. | 25 January 2016 14:07 CET | Version of Record | https://www.mdpi.com/2313-4321/1/1/101/pdf |
| article xml uploaded. | 25 January 2016 14:07 CET | Original file | https://www.mdpi.com/2313-4321/1/1/101/xml |
