| article html file updated | 8 February 2020 06:36 CET | Update | https://www.mdpi.com/2075-4701/7/6/188 |
| article html file updated | 24 September 2019 23:50 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:35 CEST | Update | N/A |
| article html file updated | 28 June 2017 13:55 CEST | Update | N/A |
| article html file updated | 25 May 2017 10:41 CEST | Original file | N/A |
| article xml uploaded. | 25 May 2017 10:39 CEST | Original file | https://www.mdpi.com/2075-4701/7/6/188/xml |
| article pdf uploaded. | 25 May 2017 10:39 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/6/188/pdf |
| article pdf uploaded. | 24 May 2017 16:44 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/6/188/pdf-vor |
