| article html file updated | 31 August 2025 08:44 CEST | Update | https://www.mdpi.com/2076-0760/9/1/4 |
| article html file updated | 20 July 2022 17:15 CEST | Update | N/A |
| article html file updated | 15 February 2020 01:59 CET | Update | N/A |
| article html file updated | 19 January 2020 11:31 CET | Original file | N/A |
| article pdf uploaded. | 19 January 2020 11:30 CET | Updated version of record | https://www.mdpi.com/2076-0760/9/1/4/pdf |
| article xml uploaded. | 19 January 2020 11:30 CET | Update | https://www.mdpi.com/2076-0760/9/1/4/xml |
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| article pdf uploaded. | 10 January 2020 16:37 CET | Updated version of record | https://www.mdpi.com/2076-0760/9/1/4/pdf-vor |
| article xml file uploaded | 10 January 2020 16:37 CET | Update | N/A |
| article pdf uploaded. | 10 January 2020 16:37 CET | Version of Record | https://www.mdpi.com/2076-0760/9/1/4/pdf-vor |
| article xml file uploaded | 10 January 2020 16:37 CET | Original file | N/A |