| article html file updated | 31 August 2025 16:14 CEST | Update | https://www.mdpi.com/2313-433X/6/4/18 |
| article html file updated | 21 August 2025 23:45 CEST | Update | - |
| article html file updated | 21 July 2022 00:43 CEST | Update | - |
| article html file updated | 8 May 2020 16:45 CEST | Update | - |
| article html file updated | 3 April 2020 06:20 CEST | Update | - |
| article xml uploaded. | 3 April 2020 06:19 CEST | Update | https://www.mdpi.com/2313-433X/6/4/18/xml |
| article pdf uploaded. | 3 April 2020 06:18 CEST | Updated version of record | https://www.mdpi.com/2313-433X/6/4/18/pdf |
| article html file updated | 3 April 2020 06:10 CEST | Update | - |
| article html file updated | 2 April 2020 14:06 CEST | Original file | - |
| article supplementary file uploaded. | 2 April 2020 12:09 CEST | - | https://www.mdpi.com/2313-433X/6/4/18#supplementary |
| article pdf uploaded. | 2 April 2020 12:09 CEST | Version of Record | https://www.mdpi.com/2313-433X/6/4/18/pdf-vor |
| article xml file uploaded | 2 April 2020 12:09 CEST | Original file | - |
