| article html file updated | 7 February 2020 23:33 CET | Update | https://www.mdpi.com/2313-433X/3/1/11 |
| article html file updated | 23 September 2019 08:47 CEST | Update | - |
| article html file updated | 4 May 2019 10:57 CEST | Update | - |
| article html file updated | 16 February 2017 15:23 CET | Original file | - |
| article xml uploaded. | 16 February 2017 15:22 CET | Original file | https://www.mdpi.com/2313-433X/3/1/11/xml |
| article pdf uploaded. | 16 February 2017 15:22 CET | Version of Record | https://www.mdpi.com/2313-433X/3/1/11/pdf |
