| article html file updated | 9 February 2020 06:13 CET | Update | https://www.mdpi.com/1996-1944/11/2/277 |
| article html file updated | 30 September 2019 16:50 CEST | Update | - |
| article html file updated | 1 May 2019 19:23 CEST | Update | - |
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| article html file updated | 14 March 2018 15:58 CET | Update | - |
| article html file updated | 10 February 2018 11:20 CET | Original file | - |
| article xml uploaded. | 10 February 2018 11:18 CET | Original file | https://www.mdpi.com/1996-1944/11/2/277/xml |
| article pdf uploaded. | 10 February 2018 11:18 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/277/pdf |
