| article html file updated | 9 February 2020 10:12 CET | Update | https://www.mdpi.com/2227-7072/6/1/33 |
| article html file updated | 1 May 2019 10:59 CEST | Update | - |
| article html file updated | 17 April 2019 10:49 CEST | Update | - |
| article html file updated | 29 March 2019 07:20 CET | Update | - |
| article html file updated | 26 March 2018 15:49 CEST | Update | - |
| article html file updated | 17 March 2018 10:37 CET | Update | - |
| article xml uploaded. | 17 March 2018 10:36 CET | Update | https://www.mdpi.com/2227-7072/6/1/33/xml |
| article pdf uploaded. | 17 March 2018 10:36 CET | Updated version of record | https://www.mdpi.com/2227-7072/6/1/33/pdf |
| article html file updated | 17 March 2018 10:15 CET | Update | - |
| article pdf uploaded. | 17 March 2018 10:14 CET | Updated version of record | https://www.mdpi.com/2227-7072/6/1/33/pdf-vor |
| article html file updated | 17 March 2018 09:51 CET | Update | - |
| article pdf uploaded. | 17 March 2018 09:50 CET | Updated version of record | https://www.mdpi.com/2227-7072/6/1/33/pdf-vor |
| article html file updated | 17 March 2018 09:36 CET | Original file | - |
| article pdf uploaded. | 17 March 2018 09:35 CET | Version of Record | https://www.mdpi.com/2227-7072/6/1/33/pdf-vor |
