| article html file updated | 30 August 2025 10:40 CEST | Update | https://www.mdpi.com/1660-3397/17/1/31 |
| article html file updated | 17 July 2022 21:33 CEST | Update | - |
| article html file updated | 11 February 2020 07:04 CET | Update | - |
| article html file updated | 12 October 2019 23:05 CEST | Update | - |
| article html file updated | 27 April 2019 10:40 CEST | Update | - |
| article html file updated | 13 April 2019 06:37 CEST | Update | - |
| article html file updated | 2 April 2019 22:59 CEST | Update | - |
| article html file updated | 29 January 2019 05:53 CET | Update | - |
| article html file updated | 7 January 2019 09:11 CET | Original file | - |
| article pdf uploaded. | 7 January 2019 09:09 CET | Version of Record | https://www.mdpi.com/1660-3397/17/1/31/pdf |
| article xml uploaded. | 7 January 2019 09:09 CET | Update | https://www.mdpi.com/1660-3397/17/1/31/xml |
| article xml file uploaded | 7 January 2019 09:09 CET | Original file | - |
