| article html file updated | 8 February 2020 05:43 CET | Update | https://www.mdpi.com/2075-4418/7/2/26 |
| article html file updated | 24 September 2019 19:14 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:18 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:20 CEST | Update | N/A |
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| article html file updated | 12 May 2017 12:37 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 12:35 CEST | Original file | https://www.mdpi.com/2075-4418/7/2/26/xml |
| article pdf uploaded. | 12 May 2017 12:35 CEST | Version of Record | https://www.mdpi.com/2075-4418/7/2/26/pdf |
