| article html file updated | 19 August 2026 07:42 CEST | Update | https://www.mdpi.com/2226-471X/6/2/74 |
| article html file updated | 2 September 2025 03:42 CEST | Update | N/A |
| article html file updated | 25 July 2022 12:04 CEST | Update | N/A |
| article html file updated | 5 August 2021 07:24 CEST | Update | N/A |
| article html file updated | 10 May 2021 02:52 CEST | Update | N/A |
| article pdf uploaded. | 10 May 2021 02:50 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/74/pdf |
| article xml uploaded. | 10 May 2021 02:50 CEST | Update | https://www.mdpi.com/2226-471X/6/2/74/xml |
| article xml file uploaded | 10 May 2021 02:50 CEST | Update | N/A |
| article html file updated | 21 April 2021 07:05 CEST | Update | N/A |
| article xml file uploaded | 21 April 2021 07:04 CEST | Update | N/A |
| article pdf uploaded. | 21 April 2021 07:04 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/74/pdf-vor |
| article html file updated | 19 April 2021 15:24 CEST | Update | N/A |
| article pdf uploaded. | 19 April 2021 15:23 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/74/pdf-vor |
| article xml file uploaded | 19 April 2021 15:23 CEST | Update | N/A |
| article html file updated | 13 April 2021 16:42 CEST | Original file | N/A |
| article xml file uploaded | 13 April 2021 16:40 CEST | Update | N/A |
| article pdf uploaded. | 13 April 2021 16:40 CEST | Version of Record | https://www.mdpi.com/2226-471X/6/2/74/pdf-vor |
