| article html file updated | 2 September 2025 07:32 CEST | Update | https://www.mdpi.com/2226-471X/6/2/90 |
| article html file updated | 26 July 2022 20:02 CEST | Update | - |
| article html file updated | 23 June 2021 04:14 CEST | Update | - |
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| article pdf uploaded. | 23 June 2021 04:13 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/90/pdf |
| article xml uploaded. | 23 June 2021 04:13 CEST | Update | https://www.mdpi.com/2226-471X/6/2/90/xml |
| article html file updated | 22 June 2021 17:23 CEST | Update | - |
| article pdf uploaded. | 22 June 2021 17:21 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/90/pdf-vor |
| article html file updated | 7 June 2021 12:43 CEST | Update | - |
| article pdf uploaded. | 7 June 2021 12:42 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/90/pdf-vor |
| article html file updated | 18 May 2021 09:31 CEST | Update | - |
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| article pdf uploaded. | 18 May 2021 09:29 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/90/pdf-vor |
| article pdf uploaded. | 18 May 2021 09:28 CEST | Version of Record | https://www.mdpi.com/2226-471X/6/2/90/pdf-vor |
