ʒˈæn ˈɔːlsoʊ pɑːɹtˈɪsᵻpˌeɪɾᵻd ɪn ɐ kˈoʊɹᵻsˈɜːtʃ pɹˈoʊɡɹæm æt ðɪ ˈælbɚt lˈʌdwɪɡz jˌuːnɪvˈɜːsᵻɾi ʌv fɹˈeɪbɜːɡ ɪn dʒˈɜːməni fɹʌm dʒˈænjuːˌɛɹi, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti wˈʌn θɹuː dᵻsˈɛmbɚ, nˈaɪntiːnhˈʌndɹɪd nˈaɪnti tˈuː, ænd hiː hˈæzbiːn ɪnvˈaɪɾᵻd baɪ dˈʌzənz ʌv jˌuːnɪvˈɜːsᵻɾiz ɪn fɹˈæns, ðə nˈɛðɜːləndz ænd juːnˈaɪɾᵻd stˈeɪts fɔːɹ ʃˈɔːɹt ˌækədˈɛmɪk vˈɪzɪts.
Zhan also participated in a co-research program at the Albert Ludwigs University of Freiburg in Germany from January, 1991 through December, 1992, and he has been invited by dozens of universities in France, the Netherlands and United States for short academic visits.