| article html file updated | 8 February 2020 05:42 CET | Update | https://www.mdpi.com/2075-4701/7/5/171 |
| article html file updated | 24 September 2019 19:04 CEST | Update | - |
| article html file updated | 3 May 2019 22:21 CEST | Update | - |
| article html file updated | 31 May 2017 10:08 CEST | Update | - |
| article html file updated | 23 May 2017 04:07 CEST | Update | - |
| article html file updated | 16 May 2017 06:47 CEST | Original file | - |
| article xml uploaded. | 16 May 2017 06:45 CEST | Original file | https://www.mdpi.com/2075-4701/7/5/171/xml |
| article pdf uploaded. | 16 May 2017 06:45 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/5/171/pdf |
| article pdf uploaded. | 12 May 2017 11:28 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/5/171/pdf-vor |
