| article html file updated | 15 August 2026 03:25 CEST | Update | https://www.mdpi.com/2413-8851/2/3/51 |
| article html file updated | 9 February 2020 22:15 CET | Update | N/A |
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| article pdf uploaded. | 21 January 2019 11:32 CET | Updated version of record | https://www.mdpi.com/2413-8851/2/3/51/pdf |
| article html file updated | 21 June 2018 09:01 CEST | Original file | N/A |
| article pdf uploaded. | 21 June 2018 08:59 CEST | Version of Record | https://www.mdpi.com/2413-8851/2/3/51/pdf-vor |
| article xml uploaded. | 21 June 2018 08:59 CEST | Update | https://www.mdpi.com/2413-8851/2/3/51/xml |
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