| article html file updated | 1 September 2025 17:12 CEST | Update | https://www.mdpi.com/1996-1073/14/1/121 |
| article html file updated | 23 July 2022 07:59 CEST | Update | - |
| article html file updated | 29 December 2020 06:37 CET | Original file | - |
| article pdf uploaded. | 29 December 2020 06:36 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/121/pdf |
| article xml uploaded. | 29 December 2020 06:36 CET | Update | https://www.mdpi.com/1996-1073/14/1/121/xml |
| article xml file uploaded | 29 December 2020 06:36 CET | Original file | - |
| article supplementary file uploaded. | 28 December 2020 16:28 CET | - | https://www.mdpi.com/1996-1073/14/1/121#supplementary |
| article pdf uploaded. | 28 December 2020 16:28 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/121/pdf-vor |
