| article html file updated | 14 August 2026 23:51 CEST | Update | https://www.mdpi.com/1996-1944/11/4/502 |
| article html file updated | 9 February 2020 11:27 CET | Update | N/A |
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| article xml uploaded. | 27 March 2018 15:34 CEST | Update | https://www.mdpi.com/1996-1944/11/4/502/xml |
| article pdf uploaded. | 27 March 2018 15:34 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/4/502/pdf |
