| article html file updated | 9 February 2020 06:12 CET | Update | https://www.mdpi.com/2071-1050/10/2/473 |
| article html file updated | 30 September 2019 16:45 CEST | Update | - |
| article html file updated | 1 May 2019 19:24 CEST | Update | - |
| article html file updated | 17 April 2019 18:35 CEST | Update | - |
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| article html file updated | 15 March 2018 09:56 CET | Update | - |
| article html file updated | 14 March 2018 12:04 CET | Update | - |
| article html file updated | 10 February 2018 10:34 CET | Original file | - |
| article xml uploaded. | 10 February 2018 10:33 CET | Original file | https://www.mdpi.com/2071-1050/10/2/473/xml |
| article pdf uploaded. | 10 February 2018 10:33 CET | Version of Record | https://www.mdpi.com/2071-1050/10/2/473/pdf |
