| article html file updated | 7 February 2020 19:40 CET | Update | https://www.mdpi.com/2077-1444/7/12/147 |
| article html file updated | 4 May 2019 19:06 CEST | Update | - |
| article html file updated | 28 December 2016 10:43 CET | Update | - |
| article html file updated | 16 December 2016 12:59 CET | Update | - |
| article xml uploaded. | 16 December 2016 12:57 CET | Update | https://www.mdpi.com/2077-1444/7/12/147/xml |
| article xml uploaded. | 16 December 2016 12:57 CET | Update | - |
| article pdf uploaded. | 16 December 2016 12:57 CET | Updated version of record | https://www.mdpi.com/2077-1444/7/12/147/pdf |
| article html file updated | 15 December 2016 16:12 CET | Original file | - |
| article xml uploaded. | 15 December 2016 16:10 CET | Update | - |
| article xml uploaded. | 15 December 2016 16:10 CET | Original file | - |
| article pdf uploaded. | 15 December 2016 16:10 CET | Version of Record | https://www.mdpi.com/2077-1444/7/12/147/pdf-vor |
