| article html file updated | 8 February 2020 05:45 CET | Update | https://www.mdpi.com/1996-1944/10/5/521 |
| article html file updated | 24 September 2019 19:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 22:16 CEST | Update | N/A |
| article html file updated | 31 May 2017 07:12 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:09 CEST | Update | N/A |
| article html file updated | 12 May 2017 14:08 CEST | Original file | N/A |
| article xml uploaded. | 12 May 2017 14:06 CEST | Original file | https://www.mdpi.com/1996-1944/10/5/521/xml |
| article pdf uploaded. | 12 May 2017 14:06 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/5/521/pdf |
