| article html file updated | 8 February 2020 17:15 CET | Update | https://www.mdpi.com/2077-1444/8/10/206 |
| article html file updated | 2 May 2019 23:53 CEST | Update | N/A |
| article html file updated | 1 November 2017 02:25 CET | Update | N/A |
| article html file updated | 12 October 2017 08:29 CEST | Original file | N/A |
| article xml uploaded. | 12 October 2017 08:28 CEST | Update | https://www.mdpi.com/2077-1444/8/10/206/xml |
| article xml uploaded. | 12 October 2017 08:28 CEST | Original file | N/A |
| article pdf uploaded. | 12 October 2017 08:28 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/10/206/pdf |
| article pdf uploaded. | 26 September 2017 15:47 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/10/206/pdf-vor |