| article html file updated | 9 February 2020 03:18 CET | Update | https://www.mdpi.com/1424-8220/18/1/254 |
| article html file updated | 29 September 2019 23:30 CEST | Update | - |
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| article html file updated | 2 February 2018 11:06 CET | Update | - |
| article pdf uploaded. | 22 January 2018 11:04 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/1/254/pdf |
| article html file updated | 16 January 2018 16:28 CET | Original file | - |
| article xml uploaded. | 16 January 2018 16:27 CET | Original file | https://www.mdpi.com/1424-8220/18/1/254/xml |
| article pdf uploaded. | 16 January 2018 16:27 CET | Version of Record | https://www.mdpi.com/1424-8220/18/1/254/pdf-vor |
