| article html file updated | 8 February 2020 06:50 CET | Update | https://www.mdpi.com/2227-7390/5/2/29 |
| article html file updated | 25 September 2019 01:04 CEST | Update | - |
| article html file updated | 3 May 2019 20:10 CEST | Update | - |
| article html file updated | 29 June 2017 11:36 CEST | Update | - |
| article html file updated | 31 May 2017 12:44 CEST | Update | - |
| article xml uploaded. | 31 May 2017 12:43 CEST | Update | https://www.mdpi.com/2227-7390/5/2/29/xml |
| article pdf uploaded. | 31 May 2017 12:43 CEST | Updated version of record | https://www.mdpi.com/2227-7390/5/2/29/pdf |
| article html file updated | 26 May 2017 14:35 CEST | Original file | - |
| article pdf uploaded. | 26 May 2017 14:33 CEST | Version of Record | https://www.mdpi.com/2227-7390/5/2/29/pdf-vor |
