function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Absalão, Ricardo S. & Miyaji, Cintia & Pimenta, Alexandre D.', 3],
    ['Cavallari, Daniel C. & Dornellas, Ana Paula S.', 2],
    ['Geiger, Daniel L.', 12],
    ['Gofas, Serge & Luque, Ángel A. & Oliver, Joan Daniel', 2],
    ['Hansen, Thomas', 6],
    ['Helwerda, Renate Ariane & Wesselingh, Frank Pieter', 16],
    ['Herbert, D. G.', 37],
    ['Herbert, David G.', 69],
    ['Kaim, Andrzej & Jenkins, Robert G. & Tanabe, Kazushige', 4],
    ['Kiel, Steffen & Sami, Marco & Taviani, Marco', 7],
    ['Negri, Mauro Pietro & Corselli, Cesare', 4],
    ['Ortega, José Rafael & Gofas, Serge', 14],
    ['Sacchetti, Claudia & Landau, Bernard & Ávila, Sérgio P.', 2],
    ['Salvador, Rodrigo B. & Cavallari, Daniel C. & Simone, Luiz R. L.', 13],
    ['Schwabe, Enrico & Engl, Winfried', 6],
    ['Other (3)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=201)',
    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);