| article html file updated | 7 February 2020 19:53 CET | Update | https://www.mdpi.com/2313-433X/2/4/36 |
| article html file updated | 22 September 2019 12:53 CEST | Update | - |
| article html file updated | 4 May 2019 18:40 CEST | Update | - |
| article html file updated | 18 December 2016 04:36 CET | Original file | - |
| article xml uploaded. | 18 December 2016 04:35 CET | Update | https://www.mdpi.com/2313-433X/2/4/36/xml |
| article xml uploaded. | 18 December 2016 04:35 CET | Original file | - |
| article pdf uploaded. | 18 December 2016 04:35 CET | Version of Record | https://www.mdpi.com/2313-433X/2/4/36/pdf |
