| article html file updated | 31 August 2025 11:49 CEST | Update | https://www.mdpi.com/2304-8158/9/2/201 |
| article html file updated | 20 July 2022 20:20 CEST | Update | N/A |
| article html file updated | 7 March 2020 12:02 CET | Update | N/A |
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| article html file updated | 16 February 2020 09:05 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2020 09:04 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/201/pdf |
| article xml uploaded. | 16 February 2020 09:04 CET | Update | https://www.mdpi.com/2304-8158/9/2/201/xml |
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