| article html file updated | 7 February 2020 21:35 CET | Update | https://www.mdpi.com/2313-433X/3/1/5 |
| article html file updated | 4 May 2019 14:57 CEST | Update | N/A |
| article html file updated | 17 January 2017 08:44 CET | Original file | N/A |
| article xml uploaded. | 17 January 2017 08:42 CET | Original file | https://www.mdpi.com/2313-433X/3/1/5/xml |
| article pdf uploaded. | 17 January 2017 08:42 CET | Version of Record | https://www.mdpi.com/2313-433X/3/1/5/pdf |
