function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Canejo, Rafael P. R. & Melo, Alan Lane De', 2],
    ['Chandra, Kailash', 3],
    ['Cordeiro, Isabelle R S & Moreira, Felipe F F', 4],
    ['Dias-Silva, Karina & Moreira, Felipe Ferraz Figueiredo', 3],
    ['Fent, Meral & Kment, Petr & Çamur-Elipek, Belgin & Kirgiz, Timur', 2],
    ['Floriano, Carla Fernanda Burguez', 3],
    ['Heiss, Ernst & Eckelt, Andreas & Lederwasch, Manfred', 4],
    ['Jehamalar, E. Eyarin & Chandra, Kailash & Polhemus, Dan A.', 13],
    ['Krüger, Andreas & Deckert, Jürgen', 2],
    ['Lima Franco, Cleilton & Mourão dos Santos Rodrigues, Juliana', 2],
    ['Moreira, Felipe Ferraz Figueiredo & Barbosa, Julianna Freires', 4],
    ['Pelingen, Arthien Lovell & Zettel, Herbert', 3],
    ['Rodrigues, Juliana Mourão Dos Santos', 5],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 4],
    ['Zettel, Herbert & Tran, A. D.', 3],
    ['Other (20)', 29]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=86)',
    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);