| article html file updated | 8 February 2020 15:20 CET | Update | https://www.mdpi.com/2220-9964/6/9/280 |
| article html file updated | 26 September 2019 22:55 CEST | Update | - |
| article html file updated | 3 May 2019 03:32 CEST | Update | - |
| article html file updated | 26 September 2017 12:50 CEST | Update | - |
| article html file updated | 8 September 2017 06:25 CEST | Update | - |
| article xml uploaded. | 8 September 2017 06:24 CEST | Update | https://www.mdpi.com/2220-9964/6/9/280/xml |
| article xml uploaded. | 8 September 2017 06:24 CEST | Update | - |
| article pdf uploaded. | 8 September 2017 06:24 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/9/280/pdf |
| article html file updated | 6 September 2017 08:11 CEST | Original file | - |
| article xml uploaded. | 6 September 2017 08:10 CEST | Original file | - |
| article pdf uploaded. | 6 September 2017 08:10 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/9/280/pdf-vor |
| article pdf uploaded. | 5 September 2017 11:14 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/9/280/pdf-vor |
