| article html file updated | 30 August 2025 11:00 CEST | Update | https://www.mdpi.com/2077-0472/9/1/21 |
| article html file updated | 21 August 2025 20:27 CEST | Update | N/A |
| article html file updated | 11 February 2020 08:52 CET | Update | N/A |
| article html file updated | 13 October 2019 08:41 CEST | Update | N/A |
| article html file updated | 27 April 2019 06:44 CEST | Update | N/A |
| article html file updated | 13 April 2019 02:52 CEST | Update | N/A |
| article html file updated | 3 April 2019 03:20 CEST | Update | N/A |
| article html file updated | 27 January 2019 02:38 CET | Update | N/A |
| article html file updated | 23 January 2019 02:39 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2019 04:50 CET | Updated version of record | https://www.mdpi.com/2077-0472/9/1/21/pdf |
| article xml uploaded. | 22 January 2019 04:50 CET | Update | https://www.mdpi.com/2077-0472/9/1/21/xml |
| article xml file uploaded | 22 January 2019 04:50 CET | Update | N/A |
| article pdf uploaded. | 14 January 2019 17:16 CET | Updated version of record | https://www.mdpi.com/2077-0472/9/1/21/pdf-vor |
| article pdf uploaded. | 14 January 2019 17:00 CET | Version of Record | https://www.mdpi.com/2077-0472/9/1/21/pdf-vor |
| article xml file uploaded | 14 January 2019 17:00 CET | Original file | N/A |
