| article html file updated | 7 February 2020 09:03 CET | Update | https://www.mdpi.com/2077-1444/7/5/60 |
| article html file updated | 5 May 2019 15:07 CEST | Update | - |
| article html file updated | 27 March 2019 05:21 CET | Update | - |
| article html file updated | 30 May 2016 10:10 CEST | Update | - |
| article html file updated | 29 May 2016 22:56 CEST | Update | - |
| article html file updated | 28 May 2016 22:57 CEST | Update | - |
| article html file updated | 27 May 2016 23:28 CEST | Update | - |
| article html file updated | 27 May 2016 12:48 CEST | Update | - |
| article html file updated | 20 May 2016 11:58 CEST | Original file | - |
| article xml uploaded. | 20 May 2016 11:57 CEST | Original file | https://www.mdpi.com/2077-1444/7/5/60/xml |
| article pdf uploaded. | 20 May 2016 11:57 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/5/60/pdf |