| article html file updated | 14 August 2026 13:59 CEST | Update | https://www.mdpi.com/2072-6643/9/4/407 |
| article html file updated | 8 February 2020 04:04 CET | Update | N/A |
| article html file updated | 24 September 2019 10:33 CEST | Update | N/A |
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| article xml uploaded. | 25 April 2017 08:58 CEST | Update | https://www.mdpi.com/2072-6643/9/4/407/xml |
| article pdf uploaded. | 25 April 2017 08:58 CEST | Updated version of record | https://www.mdpi.com/2072-6643/9/4/407/pdf |
| article html file updated | 20 April 2017 15:26 CEST | Original file | N/A |
