| article html file updated | 24 December 2025 16:52 CET | Update | https://www.mdpi.com/2076-0817/9/1/21 |
| article html file updated | 31 August 2025 07:24 CEST | Update | N/A |
| article html file updated | 19 July 2022 20:53 CEST | Update | N/A |
| article html file updated | 14 February 2020 21:29 CET | Update | N/A |
| article html file updated | 6 February 2020 22:57 CET | Update | N/A |
| article html file updated | 7 January 2020 10:16 CET | Update | N/A |
| article pdf uploaded. | 7 January 2020 10:15 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/1/21/pdf |
| article xml uploaded. | 7 January 2020 10:15 CET | Update | https://www.mdpi.com/2076-0817/9/1/21/xml |
| article xml file uploaded | 7 January 2020 10:15 CET | Update | N/A |
| article html file updated | 1 January 2020 06:22 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2019 07:28 CET | Updated version of record | https://www.mdpi.com/2076-0817/9/1/21/pdf-vor |
| article xml uploaded. | 31 December 2019 07:28 CET | Update | N/A |
| article xml file uploaded | 31 December 2019 07:28 CET | Update | N/A |
| article supplementary file uploaded. | 24 December 2019 14:30 CET | - | https://www.mdpi.com/2076-0817/9/1/21#supplementary |
| article pdf uploaded. | 24 December 2019 14:30 CET | Version of Record | https://www.mdpi.com/2076-0817/9/1/21/pdf-vor |
| article xml file uploaded | 24 December 2019 14:30 CET | Original file | N/A |
