| article html file updated | 8 February 2020 07:10 CET | Update | https://www.mdpi.com/2076-2615/7/6/44 |
| article html file updated | 25 September 2019 02:40 CEST | Update | - |
| article html file updated | 3 May 2019 19:34 CEST | Update | - |
| article html file updated | 27 June 2017 09:24 CEST | Update | - |
| article html file updated | 7 June 2017 08:52 CEST | Update | - |
| article xml uploaded. | 7 June 2017 08:51 CEST | Update | https://www.mdpi.com/2076-2615/7/6/44/xml |
| article pdf uploaded. | 7 June 2017 08:51 CEST | Updated version of record | https://www.mdpi.com/2076-2615/7/6/44/pdf |
| article html file updated | 1 June 2017 07:48 CEST | Original file | - |
| article pdf uploaded. | 1 June 2017 07:46 CEST | Version of Record | https://www.mdpi.com/2076-2615/7/6/44/pdf-vor |
