function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bedek, Jana & Gottstein, Sanja & Taiti, Stefano', 6],
    ['Bedek, Jana & Taiti, Stefano', 2],
    ['Camile Sorbo Fernandes & Ivanklin Soares Campos-Filho', 3],
    ['Campos-Filho, I. S. & Bichuette, M. E. & Araujo, Paula Beatriz', 2],
    ['Campos-Filho, Ivanklin Soares & Araujo, Paula Beatriz', 2],
    ['Garcia, Lluc & Miralles-Núñez, Adrià & Pérez-Fernández, Toni', 2],
    ['K. W. Verhoeff', 8],
    ['Karaman, Ivo & Horvatović, Mladen', 2],
    ['Karaman, Ivo M. & Bedek, Jana & Horvatović, Mladen', 2],
    ['Karaman, Ivo M. & Horvatović, Mladen', 9],
    ['Reboleira, Ana Sofia P. S. & Gonçalves, Fernando & Oromí, Pedro', 14],
    ['Sánchez-García, Alba & Peñalver, Enrique & Delclòs, Xavier', 2],
    ['Taiti, Stefano & Argano, Roberto & Marcia, Paolo & Scarpa, Fabio', 6],
    ['Taiti, Stefano & Montesanto, Giuseppe', 5],
    ['Taiti, Stefano & Rossano, Claudia', 2],
    ['Other (9)', 11]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    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);