| article html file updated | 9 February 2020 15:53 CET | Update | https://www.mdpi.com/2226-4310/5/2/48 |
| article html file updated | 3 October 2019 03:09 CEST | Update | - |
| article html file updated | 30 April 2019 23:28 CEST | Update | - |
| article html file updated | 17 April 2019 00:04 CEST | Update | - |
| article html file updated | 29 March 2019 20:35 CET | Update | - |
| article html file updated | 27 June 2018 19:34 CEST | Update | - |
| article html file updated | 1 May 2018 03:33 CEST | Original file | - |
| article pdf uploaded. | 1 May 2018 03:31 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/2/48/pdf |
| article xml uploaded. | 1 May 2018 03:31 CEST | Update | https://www.mdpi.com/2226-4310/5/2/48/xml |
| article xml file uploaded | 1 May 2018 03:31 CEST | Original file | - |
