| article html file updated | 9 February 2020 23:58 CET | Update | https://www.mdpi.com/2079-6382/7/3/56 |
| article html file updated | 30 April 2019 05:12 CEST | Update | - |
| article html file updated | 16 April 2019 00:29 CEST | Update | - |
| article html file updated | 30 March 2019 17:04 CET | Update | - |
| article html file updated | 22 September 2018 10:43 CEST | Update | - |
| article html file updated | 1 August 2018 11:58 CEST | Update | - |
| article html file updated | 4 July 2018 07:20 CEST | Original file | - |
| article pdf uploaded. | 4 July 2018 07:18 CEST | Version of Record | https://www.mdpi.com/2079-6382/7/3/56/pdf |
| article xml uploaded. | 4 July 2018 07:18 CEST | Update | https://www.mdpi.com/2079-6382/7/3/56/xml |
| article xml file uploaded | 4 July 2018 07:18 CEST | Original file | - |
