| article html file updated | 7 February 2020 20:22 CET | Update | https://www.mdpi.com/2077-1444/8/1/3 |
| article html file updated | 4 May 2019 17:41 CEST | Update | - |
| article html file updated | 7 February 2017 03:31 CET | Update | - |
| article html file updated | 6 January 2017 14:49 CET | Update | - |
| article xml uploaded. | 6 January 2017 14:48 CET | Update | https://www.mdpi.com/2077-1444/8/1/3/xml |
| article pdf uploaded. | 6 January 2017 14:48 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/1/3/pdf |
| article html file updated | 28 December 2016 03:43 CET | Update | - |
| article xml uploaded. | 28 December 2016 03:42 CET | Update | - |
| article pdf uploaded. | 28 December 2016 03:42 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/1/3/pdf-vor |
| article html file updated | 27 December 2016 12:17 CET | Original file | - |
| article xml uploaded. | 27 December 2016 11:36 CET | Update | - |
| article xml uploaded. | 27 December 2016 11:36 CET | Original file | - |
| article pdf uploaded. | 27 December 2016 11:36 CET | Version of Record | https://www.mdpi.com/2077-1444/8/1/3/pdf-vor |
