| article html file updated | 30 August 2025 11:08 CEST | Update | https://www.mdpi.com/2306-7381/6/1/9 |
| article html file updated | 20 July 2022 16:47 CEST | Update | - |
| article html file updated | 11 February 2020 09:33 CET | Update | - |
| article html file updated | 13 October 2019 12:13 CEST | Update | - |
| article html file updated | 27 April 2019 05:19 CEST | Update | - |
| article html file updated | 13 April 2019 01:24 CEST | Update | - |
| article html file updated | 10 April 2019 21:50 CEST | Update | - |
| article html file updated | 3 April 2019 04:56 CEST | Update | - |
| article html file updated | 17 January 2019 02:50 CET | Original file | - |
| article pdf uploaded. | 17 January 2019 02:48 CET | Version of Record | https://www.mdpi.com/2306-7381/6/1/9/pdf |
| article xml uploaded. | 17 January 2019 02:48 CET | Update | https://www.mdpi.com/2306-7381/6/1/9/xml |
| article xml file uploaded | 17 January 2019 02:48 CET | Original file | - |
