| article html file updated | 7 February 2020 17:31 CET | Update | https://www.mdpi.com/2076-3263/6/4/50 |
| article html file updated | 4 May 2019 23:29 CEST | Update | - |
| article pdf uploaded. | 7 November 2016 10:06 CET | Updated version of record | https://www.mdpi.com/2076-3263/6/4/50/pdf |
| article pdf uploaded. | 7 November 2016 10:05 CET | Updated version of record | - |
| article pdf uploaded. | 7 November 2016 10:04 CET | Updated version of record | - |
| article pdf uploaded. | 7 November 2016 10:01 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:17 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:15 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:14 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:13 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:12 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:12 CET | Updated version of record | - |
| article pdf uploaded. | 4 November 2016 09:11 CET | Updated version of record | - |
| article html file updated | 4 November 2016 09:10 CET | Original file | - |
| article pdf uploaded. | 4 November 2016 09:09 CET | Updated version of record | - |
| article xml uploaded. | 4 November 2016 09:09 CET | Update | https://www.mdpi.com/2076-3263/6/4/50/xml |
| article xml uploaded. | 4 November 2016 09:09 CET | Update | - |
| article xml uploaded. | 4 November 2016 09:09 CET | Update | - |
| article pdf uploaded. | 4 November 2016 09:09 CET | Version of Record | - |
| article xml uploaded. | 4 November 2016 09:09 CET | Original file | - |
