| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/1424-8247/10/2/54 |
| article html file updated | 25 September 2019 07:47 CEST | Update | - |
| article html file updated | 3 May 2019 17:40 CEST | Update | - |
| article html file updated | 27 October 2017 10:34 CEST | Update | - |
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| article html file updated | 29 June 2017 12:42 CEST | Update | - |
| article html file updated | 14 June 2017 07:45 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 07:44 CEST | Original file | https://www.mdpi.com/1424-8247/10/2/54/xml |
| article pdf uploaded. | 14 June 2017 07:44 CEST | Updated version of record | https://www.mdpi.com/1424-8247/10/2/54/pdf |
| article pdf uploaded. | 13 June 2017 13:45 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/2/54/pdf-vor |
