| article html file updated | 31 August 2025 10:08 CEST | Update | https://www.mdpi.com/2304-8158/9/2/138 |
| article html file updated | 20 July 2022 18:39 CEST | Update | - |
| article html file updated | 7 March 2020 11:40 CET | Update | - |
| article html file updated | 7 March 2020 02:50 CET | Update | - |
| article html file updated | 18 February 2020 11:57 CET | Original file | - |
| article pdf uploaded. | 18 February 2020 11:56 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/2/138/pdf |
| article xml uploaded. | 18 February 2020 11:56 CET | Update | https://www.mdpi.com/2304-8158/9/2/138/xml |
| article xml file uploaded | 18 February 2020 11:56 CET | Update | - |
| article supplementary file uploaded. | 28 January 2020 15:12 CET | - | https://www.mdpi.com/2304-8158/9/2/138#supplementary |
| article pdf uploaded. | 28 January 2020 15:12 CET | Version of Record | https://www.mdpi.com/2304-8158/9/2/138/pdf-vor |
| article xml file uploaded | 28 January 2020 15:12 CET | Original file | - |