| article html file updated | 9 February 2020 19:53 CET | Update | https://www.mdpi.com/2227-7102/8/2/78 |
| article html file updated | 4 October 2019 04:16 CEST | Update | - |
| article html file updated | 30 April 2019 14:43 CEST | Update | - |
| article html file updated | 16 April 2019 15:18 CEST | Update | - |
| article html file updated | 30 March 2019 06:40 CET | Update | - |
| article html file updated | 27 June 2018 09:20 CEST | Update | - |
| article html file updated | 1 June 2018 11:34 CEST | Original file | - |
| article pdf uploaded. | 1 June 2018 11:33 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/2/78/pdf |
| article xml uploaded. | 1 June 2018 11:33 CEST | Update | https://www.mdpi.com/2227-7102/8/2/78/xml |
| article xml file uploaded | 1 June 2018 11:33 CEST | Original file | - |
