| article html file updated | 14 August 2026 14:59 CEST | Update | https://www.mdpi.com/2073-4360/9/6/210 |
| article html file updated | 8 February 2020 07:42 CET | Update | N/A |
| article html file updated | 25 September 2019 05:25 CEST | Update | N/A |
| article html file updated | 3 May 2019 18:33 CEST | Update | N/A |
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| article html file updated | 28 June 2017 14:20 CEST | Update | N/A |
| article html file updated | 8 June 2017 08:09 CEST | Original file | N/A |
| article xml uploaded. | 8 June 2017 08:08 CEST | Original file | https://www.mdpi.com/2073-4360/9/6/210/xml |
| article pdf uploaded. | 8 June 2017 08:08 CEST | Updated version of record | https://www.mdpi.com/2073-4360/9/6/210/pdf |
| article pdf uploaded. | 7 June 2017 13:08 CEST | Version of Record | https://www.mdpi.com/2073-4360/9/6/210/pdf-vor |
