| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/2073-4360/8/2/47 |
| article html file updated | 16 July 2022 01:46 CEST | Update | N/A |
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| article html file updated | 15 March 2019 11:52 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2016 13:47 CET | Updated version of record | https://www.mdpi.com/2073-4360/8/2/47/pdf |
| article xml uploaded. | 16 February 2016 13:47 CET | Update | https://www.mdpi.com/2073-4360/8/2/47/xml |
| article pdf uploaded. | 10 February 2016 12:29 CET | Version of Record | https://www.mdpi.com/2073-4360/8/2/47/pdf-vor |
| article xml uploaded. | 10 February 2016 12:29 CET | Original file | N/A |
