| article html file updated | 9 February 2020 04:00 CET | Update | https://www.mdpi.com/2313-433X/4/2/27 |
| article html file updated | 30 September 2019 03:28 CEST | Update | - |
| article html file updated | 2 May 2019 00:15 CEST | Update | - |
| article html file updated | 17 April 2019 22:45 CEST | Update | - |
| article html file updated | 28 March 2019 17:38 CET | Update | - |
| article html file updated | 14 March 2018 11:39 CET | Update | - |
| article html file updated | 25 January 2018 09:16 CET | Update | - |
| article xml uploaded. | 25 January 2018 09:15 CET | Update | https://www.mdpi.com/2313-433X/4/2/27/xml |
| article xml uploaded. | 25 January 2018 09:15 CET | Update | - |
| article pdf uploaded. | 25 January 2018 09:15 CET | Updated version of record | https://www.mdpi.com/2313-433X/4/2/27/pdf |
| article html file updated | 24 January 2018 07:37 CET | Update | - |
| article xml uploaded. | 24 January 2018 07:35 CET | Update | - |
| article xml uploaded. | 24 January 2018 07:35 CET | Update | - |
| article pdf uploaded. | 24 January 2018 07:35 CET | Updated version of record | https://www.mdpi.com/2313-433X/4/2/27/pdf-vor |
| article html file updated | 24 January 2018 03:42 CET | Original file | - |
| article xml uploaded. | 24 January 2018 03:40 CET | Update | - |
| article xml uploaded. | 23 January 2018 16:53 CET | Update | - |
| article pdf uploaded. | 23 January 2018 16:53 CET | Version of Record | https://www.mdpi.com/2313-433X/4/2/27/pdf-vor |
| article xml uploaded. | 23 January 2018 16:53 CET | Original file | - |
