| article html file updated | 7 February 2020 11:48 CET | Update | https://www.mdpi.com/2227-7390/4/3/48 |
| article html file updated | 21 September 2019 21:06 CEST | Update | - |
| article html file updated | 5 May 2019 09:57 CEST | Update | - |
| article html file updated | 27 March 2019 10:29 CET | Update | - |
| article html file updated | 28 September 2016 11:31 CEST | Update | - |
| article html file updated | 16 July 2016 07:59 CEST | Original file | - |
| article xml uploaded. | 16 July 2016 07:58 CEST | Original file | https://www.mdpi.com/2227-7390/4/3/48/xml |
| article pdf uploaded. | 16 July 2016 07:58 CEST | Version of Record | https://www.mdpi.com/2227-7390/4/3/48/pdf |
