| article html file updated | 7 February 2020 05:33 CET | Update | https://www.mdpi.com/2077-1444/7/3/26 |
| article html file updated | 5 May 2019 22:11 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:48 CET | Update | N/A |
| article html file updated | 28 March 2016 11:23 CEST | Original file | N/A |
| article pdf uploaded. | 9 March 2016 11:59 CET | Updated version of record | https://www.mdpi.com/2077-1444/7/3/26/pdf |
| article xml uploaded. | 9 March 2016 11:59 CET | Update | https://www.mdpi.com/2077-1444/7/3/26/xml |
| article pdf uploaded. | 8 March 2016 09:57 CET | Version of Record | https://www.mdpi.com/2077-1444/7/3/26/pdf-vor |
