| article html file updated | 9 February 2020 03:38 CET | Update | https://www.mdpi.com/2313-433X/4/1/24 |
| article html file updated | 30 September 2019 01:27 CEST | Update | - |
| article html file updated | 2 May 2019 01:05 CEST | Update | - |
| article html file updated | 17 April 2019 23:26 CEST | Update | - |
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| article html file updated | 2 February 2018 09:17 CET | Update | - |
| article html file updated | 19 January 2018 17:15 CET | Original file | - |
| article xml uploaded. | 19 January 2018 17:13 CET | Update | https://www.mdpi.com/2313-433X/4/1/24/xml |
| article xml uploaded. | 19 January 2018 17:13 CET | Original file | - |
| article pdf uploaded. | 19 January 2018 17:11 CET | Version of Record | https://www.mdpi.com/2313-433X/4/1/24/pdf |
