| article html file updated | 14 August 2026 19:51 CEST | Update | https://www.mdpi.com/2077-0472/7/12/102 |
| article html file updated | 8 February 2020 23:15 CET | Update | N/A |
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| article xml uploaded. | 6 December 2017 07:54 CET | Original file | https://www.mdpi.com/2077-0472/7/12/102/xml |
| article pdf uploaded. | 6 December 2017 07:54 CET | Updated version of record | https://www.mdpi.com/2077-0472/7/12/102/pdf |
| article pdf uploaded. | 5 December 2017 17:15 CET | Version of Record | https://www.mdpi.com/2077-0472/7/12/102/pdf-vor |
