function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 2],
    ['Ayón-Parente, Manuel & Hendrickx, Michel E. & Cáceres, Ignacio', 2],
    ['Craig, Catherine W. & Felder, Darryl L.', 1],
    ['De Matos-Pita, Susana S. & Ramil, Fran', 1],
    ['Filho, Petrônio Alves Coelho', 2],
    ['Komai', 7],
    ['Lemaitre, Rafael & Tavares, Marcos', 2],
    ['Mantelatto, Fernando L. & Miranda, Ivana & Vera-Silva, Ana L.', 8],
    ['Mclaughlin, Patsy A. & Rahayu, Dwi Listyo', 3],
    ['Osawa, Masayuki & Fujita, Yoshihisa', 9],
    ['Ossó, Àlex & Gagnaison, Cyril & Gain, Olivier', 2],
    ['Rahayu, Dwi Listyo', 6],
    ['Rahayu, Dwi Listyo & McLAUGHLIN, Patsy A.', 4],
    ['Wallaard, Jonathan J. W. & Fraaije, René H. B.', 2],
    ['Wicksten, Mary K.', 4],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    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);