| article html file updated | 25 December 2025 01:21 CET | Update | https://www.mdpi.com/2079-9721/9/1/6 |
| article html file updated | 1 September 2025 17:42 CEST | Update | N/A |
| article html file updated | 23 July 2022 10:11 CEST | Update | N/A |
| article html file updated | 12 January 2021 04:48 CET | Update | N/A |
| article pdf uploaded. | 12 January 2021 04:47 CET | Updated version of record | https://www.mdpi.com/2079-9721/9/1/6/pdf |
| article xml uploaded. | 12 January 2021 04:47 CET | Update | https://www.mdpi.com/2079-9721/9/1/6/xml |
| article xml file uploaded | 12 January 2021 04:47 CET | Update | N/A |
| article html file updated | 12 January 2021 04:06 CET | Update | N/A |
| article xml uploaded. | 12 January 2021 04:05 CET | Update | N/A |
| article pdf uploaded. | 12 January 2021 04:05 CET | Updated version of record | https://www.mdpi.com/2079-9721/9/1/6/pdf-vor |
| article xml file uploaded | 12 January 2021 04:05 CET | Update | N/A |
| article html file updated | 12 January 2021 02:30 CET | Original file | N/A |
| article pdf uploaded. | 12 January 2021 02:29 CET | Updated version of record | https://www.mdpi.com/2079-9721/9/1/6/pdf-vor |
| article xml uploaded. | 12 January 2021 02:29 CET | Update | N/A |
| article xml file uploaded | 12 January 2021 02:29 CET | Original file | N/A |
| article pdf uploaded. | 4 January 2021 14:28 CET | Version of Record | https://www.mdpi.com/2079-9721/9/1/6/pdf-vor |
| article supplementary file uploaded. | 4 January 2021 14:28 CET | - | https://www.mdpi.com/2079-9721/9/1/6#supplementary |
