function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Angrisano, Elisa B. & Sganga, Julieta V.', 2],
    ['Armitage, Brian J. & Harris, Steven C.', 4],
    ['Armitage, Brian J. & Harris, Steven C. & Blahnik, Roger J.', 7],
    ['Carvalho, Bruna Laise Dos Santos & Moreno, Lucas', 2],
    ['Cavalcante-Silva, Amanda & Pereira, Rafael', 1],
    ['Harris, Steven C. & Armitage, Brian J.', 11],
    ['Harris, Steven C. & Oliver S. Flint, Jr.', 1],
    ['Mey, Wolfram & Ospina-Torres, Rodulfo', 2],
    ['Paprocki, Henrique & Franca, Diogo', 6],
    ['Razo-González, María', 1],
    ['Rocha, Isabela Cristina & Santos, Allan Paulo Moreira', 8],
    ['Santos, Allan Paulo Moreira & Takiya, Daniela Maeda', 20],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 10],
    ['Thomson, Robin E. & Armitage, Brian J.', 2],
    ['Thomson, Robin E. & Holzenthal, Ralph W.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=78)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);