| article html file updated | 31 August 2025 08:30 CEST | Update | https://www.mdpi.com/2304-8158/9/1/70 |
| article html file updated | 19 July 2022 19:49 CEST | Update | N/A |
| article html file updated | 15 February 2020 01:10 CET | Update | N/A |
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| article xml uploaded. | 4 February 2020 07:19 CET | Update | https://www.mdpi.com/2304-8158/9/1/70/xml |
| article pdf uploaded. | 4 February 2020 07:19 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/1/70/pdf |
| article html file updated | 22 January 2020 05:58 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 05:56 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/1/70/pdf-vor |
| article xml uploaded. | 22 January 2020 05:56 CET | Update | N/A |
| article xml file uploaded | 22 January 2020 05:56 CET | Update | N/A |
| article pdf uploaded. | 8 January 2020 15:13 CET | Version of Record | https://www.mdpi.com/2304-8158/9/1/70/pdf-vor |
| article xml file uploaded | 8 January 2020 15:13 CET | Original file | N/A |
