| article html file updated | 30 August 2025 06:57 CEST | Update | https://www.mdpi.com/1999-4893/11/9/139 |
| article html file updated | 17 July 2022 02:47 CEST | Update | N/A |
| article html file updated | 10 February 2020 11:01 CET | Update | N/A |
| article html file updated | 7 October 2019 21:27 CEST | Update | N/A |
| article html file updated | 29 April 2019 05:33 CEST | Update | N/A |
| article html file updated | 15 April 2019 01:07 CEST | Update | N/A |
| article html file updated | 31 March 2019 19:01 CEST | Update | N/A |
| article html file updated | 25 September 2018 11:31 CEST | Update | N/A |
| article html file updated | 17 September 2018 15:11 CEST | Update | N/A |
| article pdf uploaded. | 17 September 2018 15:10 CEST | Updated version of record | https://www.mdpi.com/1999-4893/11/9/139/pdf |
| article xml uploaded. | 17 September 2018 15:10 CEST | Update | https://www.mdpi.com/1999-4893/11/9/139/xml |
| article xml file uploaded | 17 September 2018 15:10 CEST | Update | N/A |
| article html file updated | 14 September 2018 13:39 CEST | Original file | N/A |
| article pdf uploaded. | 14 September 2018 13:38 CEST | Version of Record | https://www.mdpi.com/1999-4893/11/9/139/pdf-vor |
| article xml uploaded. | 14 September 2018 13:38 CEST | Update | N/A |
| article xml file uploaded | 14 September 2018 13:38 CEST | Original file | N/A |