function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ayón-Parente, Manuel & Wehrtmann, Ingo S.', 2],
    ['Clark, Paul F. & Ng, Peter K. L. & Fransen, Charles H. J. M.', 2],
    ['De Matos-Pita, Susana S. & Ramil, Fran', 4],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Komai, Tomoyuki', 4],
    ['Komai, Tomoyuki & Rahayu, Dwi Listyo', 12],
    ['Komai, Tomoyuki & Reshmi, Rema & Kumar, Appukuttan Nair Biju', 2],
    ['Lemaitre, Rafael', 3],
    ['Lemaitre, Rafael & Felder, Darryl L. & Poupin, Joseph', 2],
    ['Lemaitre, Rafael & Tavares, Marcos', 3],
    ['Lima, Daniel & Tavares, Marcos & Jr, Joel Braga De Mendonça', 4],
    ['Mantelatto, Fernando L. & Miranda, Ivana & Vera-Silva, Ana L.', 5],
    ['Nucci, Paulo Ricardo & Melo, Gustavo Augusto Schmidt De', 9],
    ['Rahayu, Dwi Listyo', 5],
    ['Wicksten, Mary K.', 20],
    ['Other (20)', 25]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=105)',
    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);