| article html file updated | 31 August 2025 21:40 CEST | Update | https://www.mdpi.com/2304-8158/9/6/690 |
| article html file updated | 21 July 2022 06:04 CEST | Update | N/A |
| article html file updated | 9 October 2020 03:54 CEST | Update | N/A |
| article html file updated | 6 June 2020 14:06 CEST | Update | N/A |
| article pdf uploaded. | 6 June 2020 14:04 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/690/pdf |
| article xml uploaded. | 6 June 2020 14:04 CEST | Update | https://www.mdpi.com/2304-8158/9/6/690/xml |
| article xml file uploaded | 6 June 2020 14:04 CEST | Update | N/A |
| article html file updated | 4 June 2020 16:40 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2020 16:39 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/690/pdf-vor |
| article xml file uploaded | 4 June 2020 16:39 CEST | Update | N/A |
| article pdf uploaded. | 26 May 2020 15:50 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/6/690/pdf-vor |
| article xml file uploaded | 26 May 2020 15:50 CEST | Update | N/A |
| article pdf uploaded. | 26 May 2020 15:50 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/6/690/pdf-vor |
| article xml file uploaded | 26 May 2020 15:50 CEST | Original file | N/A |
