| article html file updated | 30 August 2025 04:18 CEST | Update | https://www.mdpi.com/2076-0752/7/2/20 |
| article html file updated | 16 July 2022 21:07 CEST | Update | N/A |
| article html file updated | 9 February 2020 20:19 CET | Update | N/A |
| article html file updated | 4 October 2019 07:03 CEST | Update | N/A |
| article html file updated | 30 April 2019 13:42 CEST | Update | N/A |
| article html file updated | 16 April 2019 14:19 CEST | Update | N/A |
| article html file updated | 30 March 2019 07:45 CET | Update | N/A |
| article html file updated | 27 June 2018 19:43 CEST | Update | N/A |
| article html file updated | 6 June 2018 09:23 CEST | Update | N/A |
| article xml uploaded. | 6 June 2018 09:22 CEST | Update | https://www.mdpi.com/2076-0752/7/2/20/xml |
| article pdf uploaded. | 6 June 2018 09:22 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/2/20/pdf |
| article html file updated | 5 June 2018 11:27 CEST | Update | N/A |
| article pdf uploaded. | 5 June 2018 11:25 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/2/20/pdf-vor |
| article xml file uploaded | 5 June 2018 11:25 CEST | Update | N/A |
| article html file updated | 5 June 2018 11:21 CEST | Update | N/A |
| article pdf uploaded. | 5 June 2018 11:20 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/2/20/pdf-vor |
| article xml file uploaded | 5 June 2018 11:20 CEST | Update | N/A |
| article html file updated | 5 June 2018 11:15 CEST | Original file | N/A |
| article pdf uploaded. | 5 June 2018 11:13 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/2/20/pdf-vor |
| article xml file uploaded | 5 June 2018 11:13 CEST | Original file | N/A |
