| article html file updated | 7 February 2020 09:04 CET | Update | https://www.mdpi.com/1996-1944/9/5/397 |
| article html file updated | 5 May 2019 15:06 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:21 CET | Update | N/A |
| article html file updated | 27 May 2016 09:07 CEST | Update | N/A |
| article html file updated | 20 May 2016 15:24 CEST | Original file | N/A |
| article xml uploaded. | 20 May 2016 15:23 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/397/xml |
| article pdf uploaded. | 20 May 2016 15:23 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/397/pdf |
