| article html file updated | 30 August 2025 03:48 CEST | Update | https://www.mdpi.com/2227-9032/6/2/40 |
| article html file updated | 21 August 2025 20:06 CEST | Update | N/A |
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| article xml uploaded. | 19 May 2018 11:08 CEST | Update | https://www.mdpi.com/2227-9032/6/2/40/xml |
| article pdf uploaded. | 19 May 2018 11:08 CEST | Updated version of record | https://www.mdpi.com/2227-9032/6/2/40/pdf |
| article html file updated | 17 May 2018 10:55 CEST | Update | N/A |
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| article supplementary file uploaded. | 4 May 2018 12:48 CEST | - | https://www.mdpi.com/2227-9032/6/2/40#supplementary |
| article pdf uploaded. | 4 May 2018 12:48 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/40/pdf-vor |
