| article html file updated | 9 February 2020 17:55 CET | Update | https://www.mdpi.com/2311-5521/3/2/33 |
| article html file updated | 3 October 2019 16:21 CEST | Update | - |
| article html file updated | 30 April 2019 19:07 CEST | Update | - |
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| article html file updated | 27 June 2018 09:28 CEST | Update | - |
| article html file updated | 17 May 2018 08:25 CEST | Original file | - |
| article pdf uploaded. | 17 May 2018 08:23 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/33/pdf |
| article xml uploaded. | 17 May 2018 08:23 CEST | Update | https://www.mdpi.com/2311-5521/3/2/33/xml |
| article xml file uploaded | 17 May 2018 08:23 CEST | Original file | - |
