function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azevedo, Fernanda & Cóndor-Luján, Báslavi & Willenz, Philippe', 8],
    ['Azevedo, Fernanda & Hajdu, Eduardo & Willenz, Philippe', 3],
    ['Azevedo, Fernanda & Klautau, Michelle', 3],
    ['Fontana, Tayara & Cóndor-Luján, Báslavi & Azevedo, Fernanda', 14],
    ['Klautau, Michelle', 13],
    ['Klautau, Michelle & Borojevic, Radovan', 8],
    ['Klautau, Michelle & Imešek, Mirna & Azevedo, Fernanda', 4],
    ['Klautau, Michelle & Lopes, Matheus Vieira & Guarabyra, Bruna', 3],
    ['Klautau, Michelle & Lopes, Matheus Vieira & Tavares, Gabriela', 2],
    ['Klautau, Michelle & Valentine, Clare', 38],
    ['Lopes, Matheus V. & Padua, André & Cóndor-Luján, Báslavi', 3],
    ['Rapp, Hans Tore', 3],
    ['Rapp, Hans Tore & Göcke, Christian & Tendal, Ole Secher', 3],
    ['Van, Rob W. M. & De, Nicole J.', 30],
    ['Voigt, Oliver & Erpenbeck, Dirk & González-Pech, Rául A.', 3],
    ['Other (8)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=148)',
    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);