| article html file updated | 31 August 2025 09:58 CEST | Update | https://www.mdpi.com/2077-1312/8/2/81 |
| article html file updated | 20 July 2022 18:29 CEST | Update | - |
| article html file updated | 6 March 2020 06:46 CET | Update | - |
| article html file updated | 28 February 2020 11:06 CET | Update | - |
| article pdf uploaded. | 28 February 2020 11:04 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/81/pdf |
| article xml uploaded. | 28 February 2020 11:04 CET | Update | https://www.mdpi.com/2077-1312/8/2/81/xml |
| article xml file uploaded | 28 February 2020 11:04 CET | Update | - |
| article html file updated | 28 February 2020 10:55 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 10:53 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/81/pdf-vor |
| article xml uploaded. | 28 February 2020 10:53 CET | Update | - |
| article xml file uploaded | 28 February 2020 10:53 CET | Update | - |
| article pdf uploaded. | 31 January 2020 10:36 CET | Updated version of record | https://www.mdpi.com/2077-1312/8/2/81/pdf-vor |
| article xml file uploaded | 31 January 2020 10:36 CET | Update | - |
| article pdf uploaded. | 25 January 2020 13:24 CET | Version of Record | https://www.mdpi.com/2077-1312/8/2/81/pdf-vor |
| article xml file uploaded | 25 January 2020 13:24 CET | Original file | - |
