| article html file updated | 30 August 2025 02:05 CEST | Update | https://www.mdpi.com/2313-433X/4/1/5 |
| article html file updated | 16 July 2022 08:10 CEST | Update | - |
| article html file updated | 9 February 2020 01:12 CET | Update | - |
| article html file updated | 29 September 2019 11:43 CEST | Update | - |
| article html file updated | 2 May 2019 06:07 CEST | Update | - |
| article html file updated | 18 April 2019 04:06 CEST | Update | - |
| article html file updated | 28 March 2019 11:11 CET | Update | - |
| article html file updated | 2 February 2018 09:18 CET | Update | - |
| article html file updated | 25 December 2017 16:47 CET | Original file | - |
| article xml uploaded. | 25 December 2017 16:45 CET | Update | https://www.mdpi.com/2313-433X/4/1/5/xml |
| article xml uploaded. | 25 December 2017 16:45 CET | Original file | - |
| article pdf uploaded. | 25 December 2017 16:45 CET | Version of Record | https://www.mdpi.com/2313-433X/4/1/5/pdf |