function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Amarante, Sérvio Túlio Pires', 1],
    ['Danilov, Yu. N. & Odintseva, A. A. & Odintsev, O. A.', 1],
    ['Dollfuss, H. & L, Crossocerus & D, Entomognathus', 64],
    ['Else, George R. & Bolton, Barry & Broad, Gavin R.', 44],
    ['Gadallah, Neveen S.', 3],
    ['Gadallah, Neveen S. & Edmardash, Yusuf A.', 2],
    ['H. - J & Kroupa, A.', 1],
    ['Jacobs, Hans-Joachim & Liebig, Wolf-Harald', 7],
    ['Jahantigh, Fatemeh & Rakhshani, Ehsan & Mokhtari, Azizollah', 9],
    ['Madl, M.', 4],
    ['Mokrousov, M. V. & Proshchalykin, M. Yu. & Aliyev, Kh. A.', 3],
    ['Rezaei, Sh. & Fallahzadeh, M. & Dousti, A. F. & Saghaei, N.', 1],
    ['Saini, Varun & Dey, Debjani', 3],
    ['Tomarchio, S. & G. F', 3],
    ['Verheyde, Fons & Jacobs, JEffrEY & Dekoninck, WOUTEr', 2],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=149)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);