function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beveridge, I. & Shamsi, S.', 9],
    ['Beveridge, Ian & Smales, Lesley R.', 1],
    ['Bursey, Charles R. & Rocha, Carlos Frederico D.', 1],
    ['Fugassa, Martin H.', 1],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Haukisalmi, Voitto', 11],
    ['Haukisalmi, Voitto & Hardman, Lotta M. & Hoberg, Eric P.', 16],
    ['Haukisalmi, Voitto & Henttonen, Heikki', 4],
    ['Haukisalmi, Voitto & Henttonen, Heikki & Hardman, Lotta', 6],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 3],
    ['Martins, Natalia Beatriz Guerreiro & Robles, María Del Rosario', 4],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 4],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 10],
    ['Sasaki, Mizuki & Anders, Jason Lee & Nakao, Minoru', 2],
    ['Zvegintsova, N. S. & Kharchenko, V. A. & Kuzmina, T. A.', 2],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=79)',
    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);