The following Acknowledgement should have been mentioned in the paper entitled Size Distribution of Inorganic Species and Their Inhaled Dose in a Detergent Industrial Workplace by A. Karanasiou, K. Eleftheriadis, S. Vratolis, P. Zarbas, N. Mihalopoulos, C. Mitsakou, C. Housiadas, M. Lazaridis, J. Ondracek and L. Dzumbova: