| article html file updated | 16 August 2026 09:22 CEST | Update | https://www.mdpi.com/2227-7102/9/3/221 |
| article html file updated | 13 February 2020 11:56 CET | Update | N/A |
| article html file updated | 26 September 2019 15:09 CEST | Update | N/A |
| article html file updated | 23 August 2019 08:01 CEST | Original file | N/A |
| article pdf uploaded. | 23 August 2019 07:59 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/221/pdf |
| article xml uploaded. | 23 August 2019 07:59 CEST | Update | https://www.mdpi.com/2227-7102/9/3/221/xml |
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