| article html file updated | 31 August 2025 22:36 CEST | Update | https://www.mdpi.com/2304-8158/9/6/740 |
| article html file updated | 21 July 2022 07:00 CEST | Update | - |
| article html file updated | 17 June 2020 05:41 CEST | Original file | - |
| article pdf uploaded. | 17 June 2020 05:40 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/740/pdf |
| article xml uploaded. | 17 June 2020 05:40 CEST | Update | https://www.mdpi.com/2304-8158/9/6/740/xml |
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| article pdf uploaded. | 5 June 2020 01:44 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/740/pdf-vor |
| article pdf uploaded. | 4 June 2020 11:57 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/740/pdf-vor |
