| article html file updated | 8 February 2020 03:41 CET | Update | https://www.mdpi.com/1424-8247/10/2/41 |
| article html file updated | 24 September 2019 08:20 CEST | Update | - |
| article html file updated | 4 May 2019 02:02 CEST | Update | - |
| article html file updated | 27 October 2017 10:35 CEST | Update | - |
| article html file updated | 21 September 2017 11:30 CEST | Update | - |
| article html file updated | 29 June 2017 12:43 CEST | Update | - |
| article html file updated | 18 April 2017 11:12 CEST | Original file | - |
| article xml uploaded. | 18 April 2017 11:11 CEST | Original file | https://www.mdpi.com/1424-8247/10/2/41/xml |
| article pdf uploaded. | 18 April 2017 11:11 CEST | Updated version of record | https://www.mdpi.com/1424-8247/10/2/41/pdf |
| article pdf uploaded. | 15 April 2017 10:55 CEST | Version of Record | https://www.mdpi.com/1424-8247/10/2/41/pdf-vor |
