| article html file updated | 31 August 2025 18:06 CEST | Update | https://www.mdpi.com/2304-8158/9/4/521 |
| article html file updated | 21 July 2022 02:34 CEST | Update | N/A |
| article html file updated | 9 May 2020 05:31 CEST | Update | N/A |
| article html file updated | 26 April 2020 16:36 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2020 16:35 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/521/pdf |
| article xml uploaded. | 26 April 2020 16:35 CEST | Update | https://www.mdpi.com/2304-8158/9/4/521/xml |
| article xml file uploaded | 26 April 2020 16:35 CEST | Update | N/A |
| article supplementary file uploaded. | 21 April 2020 14:26 CEST | - | https://www.mdpi.com/2304-8158/9/4/521#supplementary |
| article pdf uploaded. | 21 April 2020 14:26 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/521/pdf-vor |
| article xml file uploaded | 21 April 2020 14:26 CEST | Original file | N/A |
