| article html file updated | 17 August 2026 02:36 CEST | Update | https://www.mdpi.com/2304-8158/9/2/177 |
| article html file updated | 31 August 2025 11:23 CEST | Update | N/A |
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| article html file updated | 1 March 2020 14:30 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2020 14:29 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/177/pdf |
| article xml uploaded. | 1 March 2020 14:29 CET | Update | https://www.mdpi.com/2304-8158/9/2/177/xml |
| article xml file uploaded | 1 March 2020 14:29 CET | Update | N/A |
| article pdf uploaded. | 11 February 2020 15:11 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/177/pdf-vor |
| article xml file uploaded | 11 February 2020 15:11 CET | Original file | N/A |
