| article html file updated | 30 August 2025 02:40 CEST | Update | https://www.mdpi.com/2075-4655/2/1/5 |
| article html file updated | 16 July 2022 09:21 CEST | Update | N/A |
| article html file updated | 9 February 2020 07:05 CET | Update | N/A |
| article html file updated | 30 September 2019 21:53 CEST | Update | N/A |
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| article html file updated | 23 February 2018 17:00 CET | Original file | N/A |
| article xml uploaded. | 23 February 2018 16:59 CET | Original file | https://www.mdpi.com/2075-4655/2/1/5/xml |
| article pdf uploaded. | 23 February 2018 16:59 CET | Updated version of record | https://www.mdpi.com/2075-4655/2/1/5/pdf |
| article pdf uploaded. | 19 February 2018 17:02 CET | Version of Record | https://www.mdpi.com/2075-4655/2/1/5/pdf-vor |
