| article html file updated | 7 February 2020 09:56 CET | Update | https://www.mdpi.com/2073-4360/8/6/229 |
| article html file updated | 5 May 2019 13:22 CEST | Update | - |
| article html file updated | 27 March 2019 07:04 CET | Update | - |
| article html file updated | 18 March 2019 04:57 CET | Update | - |
| article html file updated | 29 June 2016 11:40 CEST | Update | - |
| article html file updated | 15 June 2016 08:20 CEST | Update | - |
| article xml uploaded. | 15 June 2016 08:19 CEST | Update | https://www.mdpi.com/2073-4360/8/6/229/xml |
| article pdf uploaded. | 15 June 2016 08:19 CEST | Updated version of record | https://www.mdpi.com/2073-4360/8/6/229/pdf |
| article html file updated | 8 June 2016 12:28 CEST | Original file | - |
| article pdf uploaded. | 8 June 2016 12:27 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/6/229/pdf-vor |
