| article html file updated | 14 August 2026 13:37 CEST | Update | https://www.mdpi.com/2077-1444/8/4/54 |
| article html file updated | 8 February 2020 02:47 CET | Update | N/A |
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| article html file updated | 7 April 2017 08:38 CEST | Original file | N/A |
| article xml uploaded. | 7 April 2017 08:37 CEST | Original file | https://www.mdpi.com/2077-1444/8/4/54/xml |
| article pdf uploaded. | 7 April 2017 08:37 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/4/54/pdf |
| article pdf uploaded. | 1 April 2017 12:54 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/4/54/pdf-vor |
