| article html file updated | 8 February 2020 07:24 CET | Update | https://www.mdpi.com/2304-8158/6/6/43 |
| article html file updated | 25 September 2019 03:51 CEST | Update | - |
| article html file updated | 3 May 2019 19:06 CEST | Update | - |
| article html file updated | 27 June 2017 10:34 CEST | Update | - |
| article html file updated | 6 June 2017 05:34 CEST | Update | - |
| article xml uploaded. | 6 June 2017 05:33 CEST | Update | https://www.mdpi.com/2304-8158/6/6/43/xml |
| article pdf uploaded. | 6 June 2017 05:33 CEST | Updated version of record | https://www.mdpi.com/2304-8158/6/6/43/pdf |
| article html file updated | 5 June 2017 02:59 CEST | Original file | - |
| article pdf uploaded. | 5 June 2017 02:57 CEST | Updated version of record | https://www.mdpi.com/2304-8158/6/6/43/pdf-vor |
| article pdf uploaded. | 3 June 2017 13:31 CEST | Version of Record | https://www.mdpi.com/2304-8158/6/6/43/pdf-vor |
