| article html file updated | 14 August 2026 17:08 CEST | Update | https://www.mdpi.com/2077-1444/8/9/172 |
| article html file updated | 8 February 2020 14:55 CET | Update | N/A |
| article html file updated | 3 May 2019 04:20 CEST | Update | N/A |
| article html file updated | 30 September 2017 10:05 CEST | Update | N/A |
| article html file updated | 31 August 2017 04:36 CEST | Update | N/A |
| article xml uploaded. | 31 August 2017 04:35 CEST | Update | https://www.mdpi.com/2077-1444/8/9/172/xml |
| article pdf uploaded. | 31 August 2017 04:35 CEST | Updated version of record | https://www.mdpi.com/2077-1444/8/9/172/pdf |
| article html file updated | 30 August 2017 14:02 CEST | Original file | N/A |
| article xml uploaded. | 30 August 2017 14:01 CEST | Original file | N/A |
| article pdf uploaded. | 30 August 2017 14:01 CEST | Version of Record | https://www.mdpi.com/2077-1444/8/9/172/pdf-vor |
