| article html file updated | 30 August 2025 00:16 CEST | Update | https://www.mdpi.com/1660-3397/15/1/23 |
| article html file updated | 16 July 2022 04:36 CEST | Update | - |
| article html file updated | 7 February 2020 21:55 CET | Update | - |
| article html file updated | 22 September 2019 23:54 CEST | Update | - |
| article html file updated | 4 May 2019 14:11 CEST | Update | - |
| article html file updated | 7 February 2017 13:41 CET | Update | - |
| article html file updated | 22 January 2017 10:20 CET | Update | - |
| article xml uploaded. | 22 January 2017 10:19 CET | Update | https://www.mdpi.com/1660-3397/15/1/23/xml |
| article pdf uploaded. | 22 January 2017 10:19 CET | Updated version of record | https://www.mdpi.com/1660-3397/15/1/23/pdf |
| article html file updated | 21 January 2017 07:50 CET | Original file | - |
| article xml uploaded. | 21 January 2017 07:49 CET | Original file | - |
| article pdf uploaded. | 21 January 2017 07:49 CET | Version of Record | https://www.mdpi.com/1660-3397/15/1/23/pdf-vor |