function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barros-Barreto, Maria Beatriz & Jaramillo, Maria Alejandra', 36],
    ['Bidzilya, O. V.', 4],
    ['Chira Siadén, Luis E. & Wakeman, Kevin C. & Webb, Stephen C.', 4],
    ['Costanzo, Luca Giuseppe & Marletta, Giuliana', 4],
    ['Freese, Jillian M. & Lane, Christopher E.', 5],
    ['Grisales, Diana & Wolff, Marta & de Carvalho, Claudio J. B.', 8],
    ['Guo, Mingxia & Xing, Lida & Wang, Bo & Zhang, Weiwei', 5],
    ['Hollier, John', 5],
    ['Jarvis, Charlie', 43],
    ['Macagnan, Leonardo B. & Venturin, Claudia S.', 6],
    ['Novak, Tone & Novak, Ljuba Slana & Kozel, Peter', 22],
    ['Oláh, János & Johanson, Kjell Arne', 6],
    ['Piñeiro-Corbeira, Cristina & Maggs, Christine A. & Rindi, Fabio', 6],
    ['Rossignolo, Natalia L. & Vis, Morgan L. & Paiano, Monica O.', 12],
    ['de Clerck, Olivier & Coppejans, Eric & Schils, Tom', 50],
    ['Other (78)', 122]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=338)',
    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);