| article html file updated | 31 August 2025 05:27 CEST | Update | https://www.mdpi.com/2077-1312/7/12/438 |
| article html file updated | 19 July 2022 22:47 CEST | Update | N/A |
| article html file updated | 14 February 2020 14:43 CET | Update | N/A |
| article html file updated | 5 December 2019 04:21 CET | Update | N/A |
| article xml uploaded. | 5 December 2019 04:20 CET | Update | https://www.mdpi.com/2077-1312/7/12/438/xml |
| article xml uploaded. | 5 December 2019 04:20 CET | Update | N/A |
| article xml uploaded. | 5 December 2019 04:20 CET | Update | N/A |
| article xml uploaded. | 5 December 2019 04:20 CET | Update | N/A |
| article pdf uploaded. | 5 December 2019 04:20 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/12/438/pdf |
| article html file updated | 3 December 2019 08:50 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2019 08:48 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/12/438/pdf-vor |
| article xml uploaded. | 3 December 2019 08:48 CET | Update | N/A |
| article xml file uploaded | 3 December 2019 08:48 CET | Update | N/A |
| article pdf uploaded. | 1 December 2019 03:52 CET | Version of Record | https://www.mdpi.com/2077-1312/7/12/438/pdf-vor |
| article xml file uploaded | 1 December 2019 03:52 CET | Original file | N/A |
