| article html file updated | 29 August 2025 23:34 CEST | Update | https://www.mdpi.com/2220-9964/5/9/158 |
| article html file updated | 16 July 2022 03:16 CEST | Update | - |
| article html file updated | 7 February 2020 14:22 CET | Update | - |
| article html file updated | 5 May 2019 05:14 CEST | Update | - |
| article html file updated | 27 March 2019 15:52 CET | Update | - |
| article html file updated | 27 September 2016 09:40 CEST | Update | - |
| article html file updated | 2 September 2016 14:21 CEST | Original file | - |
| article xml uploaded. | 2 September 2016 14:19 CEST | Update | https://www.mdpi.com/2220-9964/5/9/158/xml |
| article xml uploaded. | 2 September 2016 14:19 CEST | Update | - |
| article xml uploaded. | 2 September 2016 14:19 CEST | Update | - |
| article xml uploaded. | 2 September 2016 14:19 CEST | Original file | - |
| article pdf uploaded. | 2 September 2016 14:19 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/9/158/pdf |
