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| article html file updated | 19 July 2022 19:05 CEST | Update | N/A |
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| article html file updated | 20 October 2019 17:26 CEST | Update | N/A |
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| article html file updated | 30 May 2019 10:28 CEST | Original file | N/A |
| article pdf uploaded. | 30 May 2019 10:26 CEST | Updated version of record | https://www.mdpi.com/2224-2708/8/2/32/pdf |
| article xml uploaded. | 30 May 2019 10:26 CEST | Update | https://www.mdpi.com/2224-2708/8/2/32/xml |
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| article pdf uploaded. | 24 May 2019 17:08 CEST | Version of Record | https://www.mdpi.com/2224-2708/8/2/32/pdf-vor |
| article xml file uploaded | 24 May 2019 17:08 CEST | Original file | N/A |