| article html file updated | 7 February 2020 23:18 CET | Update | https://www.mdpi.com/1996-1944/10/2/172 |
| article html file updated | 23 September 2019 07:23 CEST | Update | N/A |
| article html file updated | 4 May 2019 11:27 CEST | Update | N/A |
| article html file updated | 2 March 2017 09:22 CET | Update | N/A |
| article html file updated | 14 February 2017 04:22 CET | Original file | N/A |
| article xml uploaded. | 14 February 2017 04:21 CET | Original file | https://www.mdpi.com/1996-1944/10/2/172/xml |
| article pdf uploaded. | 14 February 2017 04:21 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/2/172/pdf |
| article pdf uploaded. | 13 February 2017 15:30 CET | Version of Record | https://www.mdpi.com/1996-1944/10/2/172/pdf-vor |
