| article html file updated | 17 August 2026 00:54 CEST | Update | https://www.mdpi.com/1999-4907/11/2/137 |
| article html file updated | 31 August 2025 09:51 CEST | Update | N/A |
| article html file updated | 20 July 2022 18:22 CEST | Update | N/A |
| article html file updated | 7 March 2020 04:33 CET | Update | N/A |
| article html file updated | 7 March 2020 01:49 CET | Update | N/A |
| article html file updated | 15 February 2020 05:38 CET | Update | N/A |
| article html file updated | 11 February 2020 11:53 CET | Update | N/A |
| article pdf uploaded. | 11 February 2020 11:51 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/2/137/pdf |
| article xml uploaded. | 11 February 2020 11:51 CET | Update | https://www.mdpi.com/1999-4907/11/2/137/xml |
| article xml file uploaded | 11 February 2020 11:51 CET | Update | N/A |
| article html file updated | 4 February 2020 07:36 CET | Update | N/A |
| article pdf uploaded. | 4 February 2020 07:34 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/2/137/pdf-vor |
| article xml uploaded. | 4 February 2020 07:34 CET | Update | N/A |
| article xml file uploaded | 4 February 2020 07:34 CET | Update | N/A |
| article html file updated | 26 January 2020 12:59 CET | Update | N/A |
| article pdf uploaded. | 26 January 2020 12:58 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/2/137/pdf-vor |
| article xml uploaded. | 26 January 2020 12:58 CET | Update | N/A |
| article xml file uploaded | 26 January 2020 12:58 CET | Update | N/A |
| article html file updated | 24 January 2020 09:24 CET | Original file | N/A |
| article pdf uploaded. | 24 January 2020 09:22 CET | Version of Record | https://www.mdpi.com/1999-4907/11/2/137/pdf-vor |
| article xml uploaded. | 24 January 2020 09:22 CET | Update | N/A |
| article xml file uploaded | 24 January 2020 09:22 CET | Original file | N/A |
