| article html file updated | 8 February 2020 01:57 CET | Update | https://www.mdpi.com/2071-1050/9/3/478 |
| article html file updated | 23 September 2019 22:42 CEST | Update | - |
| article html file updated | 4 May 2019 05:38 CEST | Update | - |
| article html file updated | 28 March 2017 05:59 CEST | Update | - |
| article html file updated | 27 March 2017 05:22 CEST | Update | - |
| article html file updated | 24 March 2017 06:59 CET | Update | - |
| article html file updated | 23 March 2017 13:58 CET | Original file | - |
| article xml uploaded. | 23 March 2017 13:57 CET | Original file | https://www.mdpi.com/2071-1050/9/3/478/xml |
| article pdf uploaded. | 23 March 2017 13:57 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/3/478/pdf |
| article pdf uploaded. | 22 March 2017 10:11 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/478/pdf-vor |
