| article html file updated | 7 February 2020 15:49 CET | Update | https://www.mdpi.com/2313-433X/2/4/29 |
| article html file updated | 5 May 2019 02:36 CEST | Update | N/A |
| article html file updated | 30 September 2016 06:32 CEST | Original file | N/A |
| article xml uploaded. | 30 September 2016 06:31 CEST | Update | https://www.mdpi.com/2313-433X/2/4/29/xml |
| article xml uploaded. | 30 September 2016 06:31 CEST | Update | N/A |
| article xml uploaded. | 30 September 2016 06:30 CEST | Original file | N/A |
| article pdf uploaded. | 30 September 2016 06:30 CEST | Version of Record | https://www.mdpi.com/2313-433X/2/4/29/pdf |
