| article html file updated | 8 February 2020 06:53 CET | Update | https://www.mdpi.com/2075-4701/7/6/197 |
| article html file updated | 25 September 2019 01:17 CEST | Update | - |
| article html file updated | 3 May 2019 20:04 CEST | Update | - |
| article html file updated | 28 June 2017 13:58 CEST | Update | - |
| article html file updated | 21 June 2017 10:34 CEST | Update | - |
| article xml uploaded. | 21 June 2017 10:33 CEST | Update | https://www.mdpi.com/2075-4701/7/6/197/xml |
| article pdf uploaded. | 21 June 2017 10:33 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/6/197/pdf |
| article html file updated | 27 May 2017 11:41 CEST | Original file | - |
| article pdf uploaded. | 27 May 2017 11:40 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/197/pdf-vor |
