| article html file updated | 2 September 2025 03:32 CEST | Update | https://www.mdpi.com/2304-8158/10/4/840 |
| article html file updated | 25 July 2022 11:51 CEST | Update | N/A |
| article html file updated | 5 August 2021 03:11 CEST | Update | N/A |
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| article html file updated | 14 April 2021 10:03 CEST | Update | N/A |
| article html file updated | 13 April 2021 12:51 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2021 12:49 CEST | Updated version of record | https://www.mdpi.com/2304-8158/10/4/840/pdf |
| article xml uploaded. | 13 April 2021 12:49 CEST | Update | https://www.mdpi.com/2304-8158/10/4/840/xml |
| article xml file uploaded | 13 April 2021 12:49 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2021 15:06 CEST | Updated version of record | https://www.mdpi.com/2304-8158/10/4/840/pdf-vor |
| article pdf uploaded. | 12 April 2021 14:28 CEST | Version of Record | https://www.mdpi.com/2304-8158/10/4/840/pdf-vor |
