Helen Thanopoulou
University of the Aegean, Department of Shipping, Trade and Transport, Korai 2a, 82100 Chios, Greece.
Nikolaos Ventikos
School of Naval Architecture and Marine Engineering, National Technical University of Athens, 9 Iroon Polytechniou st.Zografou 157 73, Athens, Greece.
George Georgoulis
University of the Aegean, Department of Shipping, Trade and Transport, Korai 2a, 82100 Chios, Greece.
Lambros Moulatzikos
University of the Aegean, Department of Shipping, Trade and Transport, Korai 2a, 82100 Chios, Greece.
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