| article html file updated | 9 February 2020 19:37 CET | Update | https://www.mdpi.com/2076-0787/7/2/54 |
| article html file updated | 30 April 2019 15:21 CEST | Update | - |
| article html file updated | 16 April 2019 15:53 CEST | Update | - |
| article html file updated | 30 March 2019 05:59 CET | Update | - |
| article html file updated | 30 May 2018 18:54 CEST | Original file | - |
| article pdf uploaded. | 30 May 2018 14:16 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/2/54/pdf |
| article xml uploaded. | 30 May 2018 14:16 CEST | Update | https://www.mdpi.com/2076-0787/7/2/54/xml |
| article xml file uploaded | 30 May 2018 14:16 CEST | Original file | - |
