| article html file updated | 14 August 2026 21:06 CEST | Update | https://www.mdpi.com/1996-1073/11/1/206 |
| article html file updated | 9 February 2020 03:09 CET | Update | N/A |
| article html file updated | 29 September 2019 22:39 CEST | Update | N/A |
| article html file updated | 2 May 2019 02:03 CEST | Update | N/A |
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| article html file updated | 1 February 2018 14:12 CET | Update | N/A |
| article html file updated | 15 January 2018 15:45 CET | Original file | N/A |
| article xml uploaded. | 15 January 2018 15:43 CET | Update | https://www.mdpi.com/1996-1073/11/1/206/xml |
| article xml uploaded. | 15 January 2018 15:43 CET | Original file | N/A |
| article pdf uploaded. | 15 January 2018 15:43 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/206/pdf |
