| article html file updated | 30 August 2025 03:20 CEST | Update | https://www.mdpi.com/2673-351X/3/2/4 |
| article html file updated | 21 August 2025 19:53 CEST | Update | - |
| article html file updated | 9 February 2020 12:36 CET | Update | - |
| article html file updated | 1 May 2019 05:57 CEST | Update | - |
| article html file updated | 17 April 2019 06:04 CEST | Update | - |
| article html file updated | 29 March 2019 12:52 CET | Update | - |
| article html file updated | 5 April 2018 13:36 CEST | Original file | - |
| article xml uploaded. | 5 April 2018 13:34 CEST | Original file | https://www.mdpi.com/2673-351X/3/2/4/xml |
| article pdf uploaded. | 5 April 2018 13:34 CEST | Updated version of record | https://www.mdpi.com/2673-351X/3/2/4/pdf |
| article pdf uploaded. | 4 April 2018 17:40 CEST | Version of Record | https://www.mdpi.com/2673-351X/3/2/4/pdf-vor |