| article html file updated | 30 August 2025 07:07 CEST | Update | https://www.mdpi.com/2076-0787/7/4/91 |
| article html file updated | 17 July 2022 03:10 CEST | Update | N/A |
| article html file updated | 10 February 2020 11:58 CET | Update | N/A |
| article html file updated | 29 April 2019 03:39 CEST | Update | N/A |
| article html file updated | 14 April 2019 23:08 CEST | Update | N/A |
| article html file updated | 31 March 2019 21:03 CEST | Update | N/A |
| article html file updated | 21 September 2018 12:58 CEST | Update | N/A |
| article xml file uploaded | 21 September 2018 12:56 CEST | Update | https://www.mdpi.com/2076-0787/7/4/91/xml |
| article pdf uploaded. | 21 September 2018 12:56 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/4/91/pdf |
| article xml uploaded. | 21 September 2018 12:56 CEST | Update | N/A |
| article html file updated | 20 September 2018 12:00 CEST | Update | N/A |
| article pdf uploaded. | 20 September 2018 11:58 CEST | Updated version of record | https://www.mdpi.com/2076-0787/7/4/91/pdf-vor |
| article xml uploaded. | 20 September 2018 11:58 CEST | Update | N/A |
| article xml file uploaded | 20 September 2018 11:58 CEST | Update | N/A |
| article html file updated | 20 September 2018 11:34 CEST | Original file | N/A |
| article xml file uploaded | 20 September 2018 11:33 CEST | Update | N/A |
| article pdf uploaded. | 20 September 2018 11:33 CEST | Version of Record | https://www.mdpi.com/2076-0787/7/4/91/pdf-vor |
| article xml uploaded. | 20 September 2018 11:33 CEST | Original file | N/A |
