| article html file updated | 23 October 2025 06:53 CEST | Update | https://www.mdpi.com/2076-2615/9/6/352 |
| article html file updated | 30 August 2025 21:07 CEST | Update | N/A |
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| article html file updated | 21 October 2019 20:45 CEST | Update | N/A |
| article html file updated | 23 June 2019 05:46 CEST | Original file | N/A |
| article pdf uploaded. | 23 June 2019 05:44 CEST | Updated version of record | https://www.mdpi.com/2076-2615/9/6/352/pdf |
| article xml uploaded. | 23 June 2019 05:44 CEST | Update | https://www.mdpi.com/2076-2615/9/6/352/xml |
| article xml file uploaded | 23 June 2019 05:44 CEST | Update | N/A |
| article pdf uploaded. | 13 June 2019 17:00 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/6/352/pdf-vor |
| article xml file uploaded | 13 June 2019 17:00 CEST | Original file | N/A |
