| article html file updated | 29 August 2025 23:51 CEST | Update | https://www.mdpi.com/2313-433X/2/4/31 |
| article html file updated | 16 July 2022 03:47 CEST | Update | N/A |
| article html file updated | 7 February 2020 17:34 CET | Update | N/A |
| article html file updated | 4 May 2019 23:23 CEST | Update | N/A |
| article html file updated | 11 November 2016 05:38 CET | Update | N/A |
| article xml uploaded. | 11 November 2016 05:37 CET | Update | https://www.mdpi.com/2313-433X/2/4/31/xml |
| article xml uploaded. | 11 November 2016 05:37 CET | Update | N/A |
| article pdf uploaded. | 11 November 2016 05:37 CET | Updated version of record | https://www.mdpi.com/2313-433X/2/4/31/pdf |
| article html file updated | 5 November 2016 09:07 CET | Original file | N/A |
| article xml uploaded. | 5 November 2016 09:06 CET | Update | N/A |
| article xml uploaded. | 5 November 2016 09:06 CET | Update | N/A |
| article xml uploaded. | 5 November 2016 09:06 CET | Original file | N/A |
| article pdf uploaded. | 5 November 2016 09:06 CET | Version of Record | https://www.mdpi.com/2313-433X/2/4/31/pdf-vor |
