| article html file updated | 31 July 2022 05:30 CEST | Update | https://www.mdpi.com/2313-433X/8/2/21 | 
| article html file updated | 9 February 2022 07:56 CET | Update | - | 
| article pdf uploaded. | 9 February 2022 07:54 CET | Updated version of record | https://www.mdpi.com/2313-433X/8/2/21/pdf | 
| article xml uploaded. | 9 February 2022 07:54 CET | Update | https://www.mdpi.com/2313-433X/8/2/21/xml | 
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| article html file updated | 24 January 2022 10:08 CET | Update | - | 
| article html file updated | 24 January 2022 09:15 CET | Original file | - | 
| article pdf uploaded. | 24 January 2022 09:14 CET | Updated version of record | https://www.mdpi.com/2313-433X/8/2/21/pdf-vor | 
| article xml uploaded. | 24 January 2022 09:14 CET | Update | - | 
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| article pdf uploaded. | 23 January 2022 09:53 CET | Version of Record | https://www.mdpi.com/2313-433X/8/2/21/pdf-vor |