| article html file updated | 14 August 2026 17:10 CEST | Update | https://www.mdpi.com/1660-4601/14/9/990 |
| article html file updated | 13 September 2021 07:35 CEST | Update | N/A |
| article html file updated | 8 February 2020 15:01 CET | Update | N/A |
| article html file updated | 26 September 2019 21:09 CEST | Update | N/A |
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| article html file updated | 30 September 2017 15:20 CEST | Update | N/A |
| article html file updated | 2 September 2017 11:11 CEST | Update | N/A |
| article xml uploaded. | 2 September 2017 11:09 CEST | Update | https://www.mdpi.com/1660-4601/14/9/990/xml |
| article pdf uploaded. | 2 September 2017 11:09 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/9/990/pdf |
| article html file updated | 31 August 2017 17:37 CEST | Original file | N/A |
| article xml uploaded. | 31 August 2017 17:35 CEST | Original file | N/A |
| article pdf uploaded. | 31 August 2017 17:35 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/9/990/pdf-vor |
