| article html file updated | 15 August 2026 06:50 CEST | Update | https://www.mdpi.com/2075-4701/8/9/691 |
| article html file updated | 10 February 2020 08:53 CET | Update | N/A |
| article html file updated | 7 October 2019 09:10 CEST | Update | N/A |
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| article html file updated | 26 September 2018 12:55 CEST | Update | N/A |
| article pdf uploaded. | 26 September 2018 12:05 CEST | Updated version of record | https://www.mdpi.com/2075-4701/8/9/691/pdf |
| article html file updated | 3 September 2018 09:40 CEST | Original file | N/A |
| article pdf uploaded. | 3 September 2018 09:39 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/9/691/pdf-vor |
| article xml uploaded. | 3 September 2018 09:39 CEST | Update | https://www.mdpi.com/2075-4701/8/9/691/xml |
| article xml file uploaded | 3 September 2018 09:38 CEST | Original file | N/A |
