function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Animalesto, Gloria & Dewi, Kartika & Apriyanti, Yuni', 3],
    ['Dewi, Kartika & Purwaningsih, Endang & Riyanto, Awal', 1],
    ['Drago, Fabiana B. & Núñez, Verónica & Díaz, Mariano Dueñas', 2],
    ['Fugassa, Martin H.', 1],
    ['Goldberg, Stephen R. & Bursey, Charles R. & Grismer, L. Lee', 1],
    ['González, Cynthya Elizabeth & Inés, Hamann Monika', 1],
    ['González-Acuña, Daniel & Moreno, Lucila & Cicchino, Armando', 1],
    ['Harris, Eileen A.', 1],
    ['Hasegawa, Hideo', 1],
    ['Hasegawa, Hideo & Dewi, Kartika & Asakawa, Mitsuhiko', 2],
    ['Lopes, Daniela A. & Gomes, Delir Correa & Knoff, Marcelo', 2],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 4],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 3],
    ['Purwaningsih, Endang & Dewi, Kartika & Hasegawa, Hideo', 2],
    ['Sata, Naoya', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=31)',
    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);