| article html file updated | 1 September 2025 18:31 CEST | Update | https://www.mdpi.com/1999-4907/12/1/81 |
| article html file updated | 23 July 2022 15:13 CEST | Update | - |
| article html file updated | 21 January 2021 11:16 CET | Update | - |
| article pdf uploaded. | 21 January 2021 11:15 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/81/pdf |
| article xml uploaded. | 21 January 2021 11:15 CET | Update | https://www.mdpi.com/1999-4907/12/1/81/xml |
| article xml file uploaded | 21 January 2021 11:15 CET | Update | - |
| article html file updated | 21 January 2021 11:01 CET | Update | - |
| article pdf uploaded. | 21 January 2021 10:59 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/81/pdf-vor |
| article xml uploaded. | 21 January 2021 10:59 CET | Update | - |
| article xml file uploaded | 21 January 2021 10:59 CET | Update | - |
| article html file updated | 20 January 2021 16:58 CET | Update | - |
| article pdf uploaded. | 20 January 2021 16:56 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/81/pdf-vor |
| article xml uploaded. | 20 January 2021 16:56 CET | Update | - |
| article xml file uploaded | 20 January 2021 16:56 CET | Update | - |
| article html file updated | 15 January 2021 16:35 CET | Update | - |
| article pdf uploaded. | 15 January 2021 16:34 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/81/pdf-vor |
| article xml uploaded. | 15 January 2021 16:34 CET | Update | - |
| article xml file uploaded | 15 January 2021 16:34 CET | Update | - |
| article html file updated | 13 January 2021 14:37 CET | Update | - |
| article supplementary file uploaded. | 13 January 2021 14:36 CET | - | https://www.mdpi.com/1999-4907/12/1/81#supplementary |
| article pdf uploaded. | 13 January 2021 14:36 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/81/pdf-vor |
| article xml uploaded. | 13 January 2021 14:36 CET | Update | - |
| article xml file uploaded | 13 January 2021 14:36 CET | Update | - |
| article html file updated | 13 January 2021 10:56 CET | Original file | - |
| article xml file uploaded | 13 January 2021 10:54 CET | Update | - |
| article pdf uploaded. | 13 January 2021 10:54 CET | Version of Record | https://www.mdpi.com/1999-4907/12/1/81/pdf-vor |
| article xml uploaded. | 13 January 2021 10:54 CET | Original file | - |
