| article html file updated | 31 August 2025 01:41 CEST | Update | https://www.mdpi.com/2304-8158/8/9/423 |
| article html file updated | 20 July 2022 03:06 CEST | Update | N/A |
| article html file updated | 13 February 2020 18:50 CET | Update | N/A |
| article html file updated | 5 February 2020 10:08 CET | Update | N/A |
| article xml uploaded. | 5 February 2020 10:04 CET | Update | https://www.mdpi.com/2304-8158/8/9/423/xml |
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| article pdf uploaded. | 5 February 2020 10:04 CET | Updated version of record | https://www.mdpi.com/2304-8158/8/9/423/pdf |
| article html file updated | 25 September 2019 23:06 CEST | Update | N/A |
| article html file updated | 22 September 2019 04:33 CEST | Original file | N/A |
| article pdf uploaded. | 22 September 2019 04:32 CEST | Updated version of record | https://www.mdpi.com/2304-8158/8/9/423/pdf-vor |
| article xml uploaded. | 22 September 2019 04:32 CEST | Update | N/A |
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| article pdf uploaded. | 19 September 2019 15:31 CEST | Version of Record | https://www.mdpi.com/2304-8158/8/9/423/pdf-vor |
| article xml file uploaded | 19 September 2019 15:31 CEST | Original file | N/A |
