function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bastin, Saskia & Burckhardt, Daniel & Reyes-Betancort, Alfredo', 26],
    ['Burckhardt, D. & Basset, Y.', 19],
    ['Burckhardt, Daniel & Queiroz, Dalva L.', 30],
    ['Burckhardt, Daniel & Queiroz, Dalva Luiz De', 30],
    ['Burckhardt, Daniel & Sharma, Anamika & Raman, Anantanarayanan', 126],
    ['Cho, Geonho & Burckhardt, Daniel & Lee, Seunghwan', 81],
    ['DROHOJOWSKA, Jowita & KLASA, Anna', 19],
    ['Halbert, Susan E. & Burckhardt, Daniel', 26],
    ['Inoue, Hiromitsu', 65],
    ['Lashkari, Mohammadreza & Burckhardt, Daniel', 34],
    ['Ouvrard, David & Burckhardt, Daniel & Cocquempot, Christian', 29],
    ['Percy Csiro, Diana M.', 33],
    ['Percy, Diana M. & Rung, Alessandra & Hoddle, Mark S.', 44],
    ['Rendón-Mera, Diana Isabel & Burckhardt, Daniel', 41],
    ['Serbina, Liliya & Burckhardt, Daniel', 49],
    ['Other (39)', 157]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=809)',
    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);