function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Allain, Ronan & Vullo, Romain & Rozada, Lee & Anquetin, Jérémy', 1],
    ['Arai, Hisao P. & Smith, John W.', 1],
    ['Asso, I. de', 1],
    ['Cantalice, Kleyton Magno & Martinez-Melo, Alejandra', 2],
    ['Forey, Peter L. & López-Arbarello, Adriana & Macleod, Norman', 1],
    ['Gibson, Sarah', 3],
    ['Laan, Richard Van Der', 8],
    ['Laan, Richard Van Der & Eschmeyer, William N. & Fricke, Ronald', 1],
    ['Linnaeus, Carolus', 1],
    ['López-Arbarello, Adriana & Alvarado-Ortega, Jesús', 2],
    ['Peng, Cuo & Murray, Alison M & Brinkman, Donald', 1],
    ['Sahni, Ashok', 1],
    ['Uthumporn Deesri & Pratueng Jintasakul & Lionel Cavin', 2],
    ['Wallach, Van & Wüster, Wolfgang & Broadley, Donald G.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=26)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);