| article html file updated | 31 August 2025 07:02 CEST | Update | https://www.mdpi.com/2076-3921/9/1/6 |
| article html file updated | 19 July 2022 21:14 CEST | Update | - |
| article html file updated | 14 February 2020 20:17 CET | Update | - |
| article html file updated | 7 February 2020 14:04 CET | Update | - |
| article html file updated | 20 December 2019 04:56 CET | Original file | - |
| article supplementary file uploaded. | 20 December 2019 04:55 CET | - | https://www.mdpi.com/2076-3921/9/1/6#supplementary |
| article pdf uploaded. | 20 December 2019 04:55 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/6/pdf |
| article xml uploaded. | 20 December 2019 04:55 CET | Update | https://www.mdpi.com/2076-3921/9/1/6/xml |
| article xml file uploaded | 20 December 2019 04:55 CET | Original file | - |
